#A68C37
Closest named color: Dark Mustard (#A88905). oklch(64.8% 0.108 92), rgb(166, 140, 55).
Aa
Black text reads best on this color (6.42:1).
About this color
#A68C37 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 65%, its chroma 0.108 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.023 away. Black text reads best on it, at 6.42:1.
| Hue family | Yellows |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.108) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #A68C37 |
| RGB | rgb(166, 140, 55) |
| HSL | hsl(46, 50%, 43%) |
| OKLCH | oklch(64.8% 0.108 92) |
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 #A68C37 | 3.26:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #A68C37 | 6.42:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #A68C37 text on white | 3.26:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #A68C37 text on black | 6.42:1 | AA | Lc -41.8 | 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
#E0D9C4
oklch(88.5% 0.029 91.7)
-
Step 300
300
#CDC09A
oklch(80.9% 0.053 91.4)
-
Step 400
400
#B39F62
oklch(70.6% 0.084 91.9)
-
Step 500
500 (this color)
#A68C37
oklch(64.8% 0.108 92)
-
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
#4F400B
oklch(37.7% 0.071 92.1)
-
Step 950
950
#2E260A
oklch(27.1% 0.044 93.2)
#A68C37 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) | #9B8A2D | 0.021 |
| Deuteranopia (no green cones) | #A1913B | 0.014 |
| Tritanopia (no blue cones) | #B3817A | 0.098 |
| Achromatopsia (no color) | #8E8E8E | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A68C37
#A68C37
oklch(64.8% 0.108 92)
- #778AD0
#778AD0
oklch(64.8% 0.107 271.6)
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 #A68C37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.023
- Yellowy Brown #AE8B0C ΔE 0.023
- Dark Tan #AF884A ΔE 0.029
- Dark Goldenrod #B8860B ΔE 0.033
- Dark Sand #A88F59 ΔE 0.034
- Mustard Brown #AC7E04 ΔE 0.037
- Dark Gold #B59410 ΔE 0.041
- Coffee #A6814C ΔE 0.042
Use #A68C37 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.