#A38901
Closest named color: Dark Mustard (#A88905). oklch(63.5% 0.13 95.5), rgb(163, 137, 1).
Aa
Black text reads best on this color (6.13:1).
About this color
#A38901 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 64%, its chroma 0.130 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.008 away. Black text reads best on it, at 6.13:1.
| Hue family | Yellows |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 6.13:1 |
| White text | 3.42:1 |
Values
| HEX | #A38901 |
| RGB | rgb(163, 137, 1) |
| HSL | hsl(50, 99%, 32%) |
| OKLCH | oklch(63.5% 0.13 95.5) |
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 #A38901 | 3.42:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #A38901 | 6.13:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #A38901 text on white | 3.42:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #A38901 text on black | 6.13:1 | AA | Lc -40.2 | 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
#F7F5EF
oklch(97% 0.008 91.5)
-
Step 100
100
#EDEADC
oklch(93.6% 0.019 96.9)
-
Step 200
200
#E0D9BF
oklch(88.4% 0.036 94.6)
-
Step 300
300
#CDC192
oklch(80.9% 0.064 95.5)
-
Step 400
400
#B4A051
oklch(70.7% 0.102 95.4)
-
Step 500
500 (this color)
#A38901
oklch(63.5% 0.13 95.5)
-
Step 600
600
#887200
oklch(55.6% 0.114 95.6)
-
Step 700
700
#725F00
oklch(49% 0.101 95.4)
-
Step 800
800
#5E4E00
oklch(42.8% 0.088 95.4)
-
Step 900
900
#4E4100
oklch(37.8% 0.078 96.2)
-
Step 950
950
#2E2601
oklch(27% 0.054 96.7)
#A38901 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) | #998600 | 0.019 |
| Deuteranopia (no green cones) | #A08E13 | 0.013 |
| Tritanopia (no blue cones) | #B17D74 | 0.119 |
| Achromatopsia (no color) | #8B8B8B | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A38901
#A38901
oklch(63.5% 0.13 95.5)
- #7582D9
#7582D9
oklch(63.5% 0.131 275.6)
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 #A38901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.008
- Yellowy Brown #AE8B0C ΔE 0.020
- Mustard Brown #AC7E04 ΔE 0.032
- Dark Goldenrod #B8860B ΔE 0.036
- Bronze #A87900 ΔE 0.042
- Dark Gold #B59410 ΔE 0.043
- Golden Brown #B27A01 ΔE 0.045
- Yellow Brown #B79400 ΔE 0.046
Use #A38901 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.