#A28131
Closest named color: Mustard Brown (#AC7E04). oklch(62% 0.105 86.1), rgb(162, 129, 49).
Aa
Black text reads best on this color (5.72:1).
About this color
#A28131 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.105 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Brown (#AC7E04), ΔE 0.023 away. Black text reads best on it, at 5.72:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Mustard Brown (#AC7E04) |
| Black text | 5.72:1 |
| White text | 3.67:1 |
Values
| HEX | #A28131 |
| RGB | rgb(162, 129, 49) |
| HSL | hsl(42, 54%, 41%) |
| OKLCH | oklch(62% 0.105 86.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A28131 | 3.67:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #A28131 | 5.72:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #A28131 text on white | 3.67:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #A28131 text on black | 5.72:1 | AA | Lc -37.5 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EEE9DF
oklch(93.5% 0.014 84.6)
-
Step 200
200
#E1D8C4
oklch(88.4% 0.029 86.6)
-
Step 300
300
#CFBF9B
oklch(80.9% 0.052 86.9)
-
Step 400
400
#B79D63
oklch(70.6% 0.082 86.2)
-
Step 500
500 (this color)
#A28131
oklch(62% 0.105 86.1)
-
Step 600
600
#916D00
oklch(55.6% 0.114 85.6)
-
Step 700
700
#7A5C00
oklch(49.2% 0.101 86.4)
-
Step 800
800
#644B00
oklch(42.8% 0.087 86.6)
-
Step 900
900
#523F0E
oklch(37.9% 0.069 86.4)
-
Step 950
950
#30250B
oklch(27.1% 0.043 86.1)
#A28131 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #908027 | 0.032 |
| Deuteranopia (no green cones) | #988934 | 0.025 |
| Tritanopia (no blue cones) | #AF7670 | 0.093 |
| Achromatopsia (no color) | #858585 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A28131
#A28131
oklch(62% 0.105 86.1)
- #6884C6
#6884C6
oklch(62% 0.105 265.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A28131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Brown #AC7E04 ΔE 0.023
- Bronze #A87900 ΔE 0.026
- Coffee #A6814C ΔE 0.029
- Golden Brown #B27A01 ΔE 0.032
- Dark Mustard #A88905 ΔE 0.035
- Tan Brown #AB7E4C ΔE 0.036
- Dark Tan #AF884A ΔE 0.037
- Leather #AC7434 ΔE 0.038
Use #A28131 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.