#A28637
Closest named color: Mustard Brown (#AC7E04). oklch(63.1% 0.103 89.5), rgb(162, 134, 55).
Aa
Black text reads best on this color (6.00:1).
About this color
#A28637 is a medium-light, moderately saturated orange. In OKLCH its lightness is 63%, its chroma 0.103 and its hue 89°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Brown (#AC7E04), ΔE 0.029 away. Black text reads best on it, at 6.00:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Mustard Brown (#AC7E04) |
| Black text | 6.00:1 |
| White text | 3.49:1 |
Values
| HEX | #A28637 |
| RGB | rgb(162, 134, 55) |
| HSL | hsl(44, 49%, 43%) |
| OKLCH | oklch(63.1% 0.103 89.5) |
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 #A28637 | 3.49:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #A28637 | 6.00:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #A28637 text on white | 3.49:1 | AA large text | Lc 62.5 | Content text, not long reading |
| #A28637 text on black | 6.00:1 | AA | Lc -39.2 | 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
#EEEADF
oklch(93.7% 0.015 90.2)
-
Step 200
200
#E0D9C5
oklch(88.5% 0.028 90.9)
-
Step 300
300
#CDC09C
oklch(80.9% 0.051 90.5)
-
Step 400
400
#B49F65
oklch(70.8% 0.081 90.3)
-
Step 500
500 (this color)
#A28637
oklch(63.1% 0.103 89.5)
-
Step 600
600
#8D6F06
oklch(55.6% 0.112 89.5)
-
Step 700
700
#775D00
oklch(49.1% 0.1 89.6)
-
Step 800
800
#624C02
oklch(42.8% 0.086 89.3)
-
Step 900
900
#503F10
oklch(37.6% 0.067 88.3)
-
Step 950
950
#2F250B
oklch(27% 0.043 88.1)
#A28637 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) | #94842E | 0.026 |
| Deuteranopia (no green cones) | #9B8C3A | 0.018 |
| Tritanopia (no blue cones) | #AF7B75 | 0.094 |
| Achromatopsia (no color) | #898989 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A28637
#A28637
oklch(63.1% 0.103 89.5)
- #7086C8
#7086C8
oklch(63% 0.103 269.3)
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 #A28637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Brown #AC7E04 ΔE 0.029
- Dark Mustard #A88905 ΔE 0.029
- Coffee #A6814C ΔE 0.030
- Dark Tan #AF884A ΔE 0.030
- Yellowy Brown #AE8B0C ΔE 0.034
- Bronze #A87900 ΔE 0.036
- Golden Brown #B27A01 ΔE 0.039
- Tan Brown #AB7E4C ΔE 0.039
Use #A28637 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.