#A38E37
Closest named color: Dark Mustard (#A88905). oklch(64.9% 0.109 95.6), rgb(163, 142, 55).
Aa
Black text reads best on this color (6.48:1).
About this color
#A38E37 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 65%, its chroma 0.109 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.024 away. Black text reads best on it, at 6.48:1.
| Hue family | Yellows |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 6.48:1 |
| White text | 3.23:1 |
Values
| HEX | #A38E37 |
| RGB | rgb(163, 142, 55) |
| HSL | hsl(48, 50%, 43%) |
| OKLCH | oklch(64.9% 0.109 95.6) |
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 #A38E37 | 3.23:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #A38E37 | 6.48:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #A38E37 text on white | 3.23:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #A38E37 text on black | 6.48:1 | AA | Lc -42.1 | 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
#EDEADF
oklch(93.6% 0.015 94.2)
-
Step 200
200
#DFD9C4
oklch(88.4% 0.029 93.8)
-
Step 300
300
#CBC19A
oklch(80.9% 0.054 95.4)
-
Step 400
400
#B1A161
oklch(70.8% 0.086 95.8)
-
Step 500
500 (this color)
#A38E37
oklch(64.9% 0.109 95.6)
-
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
#4D410B
oklch(37.7% 0.071 95.8)
-
Step 950
950
#2D2609
oklch(26.9% 0.045 95.6)
#A38E37 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) | #9C8B2D | 0.016 |
| Deuteranopia (no green cones) | #A1923B | 0.010 |
| Tritanopia (no blue cones) | #B0837C | 0.101 |
| Achromatopsia (no color) | #8F8F8F | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A38E37
#A38E37
oklch(64.9% 0.109 95.6)
- #7C89D1
#7C89D1
oklch(64.9% 0.109 275.2)
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 #A38E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.024
- Yellowy Brown #AE8B0C ΔE 0.024
- Dark Tan #AF884A ΔE 0.035
- Dark Sand #A88F59 ΔE 0.037
- Dark Goldenrod #B8860B ΔE 0.038
- Dark Gold #B59410 ΔE 0.040
- Mustard Brown #AC7E04 ΔE 0.042
- Yellow Brown #B79400 ΔE 0.044
Use #A38E37 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.