#A78B29
Closest named color: Dark Mustard (#A88905). oklch(64.5% 0.117 92.3), rgb(167, 139, 41).
Aa
Black text reads best on this color (6.36:1).
About this color
#A78B29 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 65%, its chroma 0.117 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.014 away. Black text reads best on it, at 6.36:1.
| Hue family | Yellows |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.117) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 6.36:1 |
| White text | 3.29:1 |
Values
| HEX | #A78B29 |
| RGB | rgb(167, 139, 41) |
| HSL | hsl(47, 61%, 41%) |
| OKLCH | oklch(64.5% 0.117 92.3) |
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 #A78B29 | 3.29:1 | AA large text | Lc -65.7 | Content text, not long reading |
| Black text on #A78B29 | 6.36:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #A78B29 text on white | 3.29:1 | AA large text | Lc 60.2 | Content text, not long reading |
| #A78B29 text on black | 6.36:1 | AA | Lc -41.5 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EEEADE
oklch(93.7% 0.017 91.6)
-
Step 200
200
#E0D9C2
oklch(88.5% 0.032 93)
-
Step 300
300
#CEC097
oklch(80.9% 0.057 91.4)
-
Step 400
400
#B59F5B
oklch(70.7% 0.092 92)
-
Step 500
500 (this color)
#A78B29
oklch(64.5% 0.117 92.3)
-
Step 600
600
#8B7000
oklch(55.5% 0.114 92)
-
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
#504001
oklch(37.8% 0.077 92.6)
-
Step 950
950
#2F2606
oklch(27.2% 0.049 93)
#A78B29 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) | #9B8918 | 0.024 |
| Deuteranopia (no green cones) | #A2912F | 0.016 |
| Tritanopia (no blue cones) | #B57F78 | 0.108 |
| Achromatopsia (no color) | #8D8D8D | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A78B29
#A78B29
oklch(64.5% 0.117 92.3)
- #7588D5
#7588D5
oklch(64.5% 0.118 272.2)
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 #A78B29, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.014
- Yellowy Brown #AE8B0C ΔE 0.015
- Dark Goldenrod #B8860B ΔE 0.029
- Mustard Brown #AC7E04 ΔE 0.033
- Dark Tan #AF884A ΔE 0.037
- Dark Gold #B59410 ΔE 0.037
- Yellow Brown #B79400 ΔE 0.040
- Brown Yellow #B29705 ΔE 0.042
Use #A78B29 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.