#A38A08
Closest named color: Dark Mustard (#A88905). oklch(63.7% 0.129 96), rgb(163, 138, 8).
Aa
Black text reads best on this color (6.19:1).
About this color
#A38A08 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 64%, its chroma 0.129 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 6.19:1.
| Hue family | Yellows |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 6.19:1 |
| White text | 3.38:1 |
Values
| HEX | #A38A08 |
| RGB | rgb(163, 138, 8) |
| HSL | hsl(50, 91%, 34%) |
| OKLCH | oklch(63.7% 0.129 96) |
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 #A38A08 | 3.38:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #A38A08 | 6.19:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #A38A08 text on white | 3.38:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #A38A08 text on black | 6.19:1 | AA | Lc -40.5 | 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
#F7F5EF
oklch(97% 0.008 91.5)
-
Step 100
100
#EDEADD
oklch(93.6% 0.018 96.1)
-
Step 200
200
#E0DAC0
oklch(88.6% 0.035 96.3)
-
Step 300
300
#CCC192
oklch(80.8% 0.064 96.5)
-
Step 400
400
#B3A052
oklch(70.6% 0.101 95.9)
-
Step 500
500 (this color)
#A38A08
oklch(63.7% 0.129 96)
-
Step 600
600
#877200
oklch(55.5% 0.114 96.2)
-
Step 700
700
#726000
oklch(49.2% 0.101 96.3)
-
Step 800
800
#5D4E00
oklch(42.6% 0.088 96.3)
-
Step 900
900
#4E4100
oklch(37.8% 0.078 96.2)
-
Step 950
950
#2E2602
oklch(27% 0.053 96.4)
#A38A08 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) | #9A8700 | 0.018 |
| Deuteranopia (no green cones) | #A08F18 | 0.013 |
| Tritanopia (no blue cones) | #B17E75 | 0.119 |
| Achromatopsia (no color) | #8B8B8B | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A38A08
#A38A08
oklch(63.7% 0.129 96)
- #7783D9
#7783D9
oklch(63.8% 0.129 276.1)
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 #A38A08, 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 0.019
- Mustard Brown #AC7E04 ΔE 0.034
- Dark Goldenrod #B8860B ΔE 0.036
- Dark Gold #B59410 ΔE 0.041
- Yellow Brown #B79400 ΔE 0.044
- Brown Yellow #B29705 ΔE 0.044
- Bronze #A87900 ΔE 0.045
Use #A38A08 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.