#A28511
Closest named color: Dark Mustard (#A88905). oklch(62.6% 0.124 92.8), rgb(162, 133, 17).
Aa
Black text reads best on this color (5.89:1).
About this color
#A28511 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 63%, its chroma 0.124 and its hue 93°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.016 away. Black text reads best on it, at 5.89:1.
| Hue family | Yellows |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 5.89:1 |
| White text | 3.55:1 |
Values
| HEX | #A28511 |
| RGB | rgb(162, 133, 17) |
| HSL | hsl(48, 81%, 35%) |
| OKLCH | oklch(62.6% 0.124 92.8) |
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 #A28511 | 3.55:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #A28511 | 5.89:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #A28511 text on white | 3.55:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #A28511 text on black | 5.89:1 | AA | Lc -38.7 | 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
#F7F5EF
oklch(97% 0.008 91.5)
-
Step 100
100
#EEEADD
oklch(93.7% 0.018 92.7)
-
Step 200
200
#E1D9C1
oklch(88.5% 0.033 91.7)
-
Step 300
300
#CEC094
oklch(80.8% 0.061 92.5)
-
Step 400
400
#B69F56
oklch(70.7% 0.097 92.3)
-
Step 500
500 (this color)
#A28511
oklch(62.6% 0.124 92.8)
-
Step 600
600
#8B7100
oklch(55.8% 0.114 92.8)
-
Step 700
700
#755E00
oklch(49.1% 0.1 92.1)
-
Step 800
800
#604D00
oklch(42.7% 0.087 92.5)
-
Step 900
900
#504000
oklch(37.8% 0.077 92.8)
-
Step 950
950
#2F2503
oklch(26.9% 0.051 92.2)
#A28511 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) | #958300 | 0.024 |
| Deuteranopia (no green cones) | #9C8B1B | 0.017 |
| Tritanopia (no blue cones) | #B07971 | 0.113 |
| Achromatopsia (no color) | #888888 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A28511
#A28511
oklch(62.6% 0.124 92.8)
- #6F81D2
#6F81D2
oklch(62.5% 0.124 272.9)
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 #A28511, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.016
- Mustard Brown #AC7E04 ΔE 0.023
- Yellowy Brown #AE8B0C ΔE 0.027
- Bronze #A87900 ΔE 0.031
- Golden Brown #B27A01 ΔE 0.037
- Dark Goldenrod #B8860B ΔE 0.037
- Dark Tan #AF884A ΔE 0.049
- Coffee #A6814C ΔE 0.051
Use #A28511 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.