Primary#A0522D
Main brand colour. Use for headers, navigation, and primary buttons.
50 Copy
#F6EEEA
RGB 246, 238, 234
HSL 20°, 40%, 94%
Fail 1.15 AAA 12.88
100 Copy
#E2CBC0
RGB 226, 203, 192
HSL 19°, 37%, 82%
Fail 1.55 AAA 9.51
300 Copy
#C69781
RGB 198, 151, 129
HSL 19°, 38%, 64%
Fail 2.58 AA 5.72
500 Copy
#A0522D
RGB 160, 82, 45
HSL 19°, 56%, 40%
AA 5.62 Fail 2.63
700 Copy
#783E22
RGB 120, 62, 34
HSL 20°, 56%, 30%
AAA 8.36 Fail 1.76
900 Copy
#502916
RGB 80, 41, 22
HSL 20°, 57%, 20%
AAA 12.58 Fail 1.17
Secondary#A02D42
Companion colour. Use for links, highlights, and hover states.
50 Copy
#F6EAEC
RGB 246, 234, 236
HSL 350°, 40%, 94%
Fail 1.17 AAA 12.58
100 Copy
#E2C0C6
RGB 226, 192, 198
HSL 349°, 37%, 82%
Fail 1.67 AAA 8.85
300 Copy
#C6818E
RGB 198, 129, 142
HSL 349°, 38%, 64%
AA large 3.03 AA 4.87
500 Copy
#A02D42
RGB 160, 45, 66
HSL 349°, 56%, 40%
AAA 7.12 Fail 2.07
700 Copy
#782232
RGB 120, 34, 50
HSL 349°, 56%, 30%
AAA 10.13 Fail 1.46
900 Copy
#501621
RGB 80, 22, 33
HSL 349°, 57%, 20%
AAA 14.21 Fail 1.04
Tertiary#A08C2D
Accent colour. Use for highlights, charts, and callouts.
50 Copy
#F6F4EA
RGB 246, 244, 234
HSL 50°, 40%, 94%
Fail 1.1 AAA 13.38
100 Copy
#E2DCC0
RGB 226, 220, 192
HSL 49°, 37%, 82%
Fail 1.38 AAA 10.7
300 Copy
#C6BA81
RGB 198, 186, 129
HSL 50°, 38%, 64%
Fail 1.95 AAA 7.55
500 Copy
#A08C2D
RGB 160, 140, 45
HSL 50°, 56%, 40%
AA large 3.34 AA large 4.42
700 Copy
#786922
RGB 120, 105, 34
HSL 50°, 56%, 30%
AA 5.47 Fail 2.7
900 Copy
#504616
RGB 80, 70, 22
HSL 50°, 57%, 20%
AAA 9.42 Fail 1.57
Quaternary#A02D7B
Accent colour. Use sparingly for calls to action and warnings.
50 Copy
#F6EAF2
RGB 246, 234, 242
HSL 320°, 40%, 94%
Fail 1.17 AAA 12.63
100 Copy
#E2C0D7
RGB 226, 192, 215
HSL 319°, 37%, 82%
Fail 1.65 AAA 8.96
300 Copy
#C681B0
RGB 198, 129, 176
HSL 319°, 38%, 64%
Fail 2.93 AA 5.04
500 Copy
#A02D7B
RGB 160, 45, 123
HSL 319°, 56%, 40%
AA 6.65 Fail 2.22
700 Copy
#78225C
RGB 120, 34, 92
HSL 320°, 56%, 30%
AAA 9.62 Fail 1.53
900 Copy
#50163E
RGB 80, 22, 62
HSL 319°, 57%, 20%
AAA 13.77 Fail 1.07
Quinary#7BA02D
Accent colour. Use for charts and small details.
50 Copy
#F2F6EA
RGB 242, 246, 234
HSL 80°, 40%, 94%
Fail 1.1 AAA 13.45
100 Copy
#D7E2C0
RGB 215, 226, 192
HSL 79°, 37%, 82%
Fail 1.35 AAA 10.91
300 Copy
#B0C681
RGB 176, 198, 129
HSL 79°, 38%, 64%
Fail 1.87 AAA 7.9
500 Copy
#7BA02D
RGB 123, 160, 45
HSL 79°, 56%, 40%
AA large 3.04 AA 4.85
700 Copy
#5C7822
RGB 92, 120, 34
HSL 80°, 56%, 30%
AA 5.04 Fail 2.93
900 Copy
#3E5016
RGB 62, 80, 22
HSL 79°, 57%, 20%
AAA 8.88 Fail 1.66
Neutral#68544B
Tinted neutral drawn from the seed hue. Use for body text, borders, and backgrounds.
50 Copy
#F0EEED
RGB 240, 238, 237
HSL 20°, 9%, 94%
Fail 1.16 AAA 12.76
100 Copy
#D2CCC9
RGB 210, 204, 201
HSL 20°, 9%, 81%
Fail 1.59 AAA 9.29
300 Copy
#A49893
RGB 164, 152, 147
HSL 18°, 9%, 61%
Fail 2.8 AA 5.26
500 Copy
#68544B
RGB 104, 84, 75
HSL 19°, 16%, 35%
AAA 7.1 Fail 2.08
700 Copy
#4E3F38
RGB 78, 63, 56
HSL 19°, 16%, 26%
AAA 10.04 Fail 1.47
900 Copy
#342A26
RGB 52, 42, 38
HSL 17°, 16%, 18%
AAA 13.95 Fail 1.06
Click a swatch to copy its hex code. Badges show WCAG contrast against white text and against dark text (#0F2A3F). AAA is 7:1 or higher. AA is 4.5:1 or higher. AA large is 3:1 or higher.
In use
Sample components show how the colours work together.
Buttons
Primary action
Secondary
Outline
Call to action
Confirm
Navigation
Sienna Work Services About Contact
Alerts
Information uses the secondary colour.
Success uses tertiary.
Warnings use quaternary.
Typography
Heading in primary
Body copy in neutral 500 on a white card. This keeps long text easy to read.
Muted caption text in neutral 300.
Links use primary 500
Dark surface
Primary 900 works as a footer or hero background. Secondary 300 gives headings lift without glare.
Get started
Export as CSS variables
Copy this block into your stylesheet, or link to a0522d-analogous.css and a0522d-analogous.json .
:root {
--primary-50: #F6EEEA;
--primary-100: #E2CBC0;
--primary-300: #C69781;
--primary-500: #A0522D;
--primary-700: #783E22;
--primary-900: #502916;
--secondary-50: #F6EAEC;
--secondary-100: #E2C0C6;
--secondary-300: #C6818E;
--secondary-500: #A02D42;
--secondary-700: #782232;
--secondary-900: #501621;
--tertiary-50: #F6F4EA;
--tertiary-100: #E2DCC0;
--tertiary-300: #C6BA81;
--tertiary-500: #A08C2D;
--tertiary-700: #786922;
--tertiary-900: #504616;
--quaternary-50: #F6EAF2;
--quaternary-100: #E2C0D7;
--quaternary-300: #C681B0;
--quaternary-500: #A02D7B;
--quaternary-700: #78225C;
--quaternary-900: #50163E;
--quinary-50: #F2F6EA;
--quinary-100: #D7E2C0;
--quinary-300: #B0C681;
--quinary-500: #7BA02D;
--quinary-700: #5C7822;
--quinary-900: #3E5016;
--neutral-50: #F0EEED;
--neutral-100: #D2CCC9;
--neutral-300: #A49893;
--neutral-500: #68544B;
--neutral-700: #4E3F38;
--neutral-900: #342A26;
}
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Steps 50 to 300 are tints. Step 500 is the base colour. Steps 700 and 900 are shades.