#A67F31
Closest named color: Mustard Brown (#AC7E04). oklch(62% 0.106 81.6), rgb(166, 127, 49).
Aa
Black text reads best on this color (5.70:1).
About this color
#A67F31 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.106 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Brown (#AC7E04), ΔE 0.022 away. Black text reads best on it, at 5.70:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.106) |
| Temperature | warm |
| Nearest name | Mustard Brown (#AC7E04) |
| Black text | 5.70:1 |
| White text | 3.68:1 |
Values
| HEX | #A67F31 |
| RGB | rgb(166, 127, 49) |
| HSL | hsl(40, 54%, 42%) |
| OKLCH | oklch(62% 0.106 81.6) |
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 #A67F31 | 3.68:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #A67F31 | 5.70:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #A67F31 text on white | 3.68:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #A67F31 text on black | 5.70:1 | AA | Lc -37.4 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DF
oklch(93.6% 0.015 80.7)
-
Step 200
200
#E3D8C4
oklch(88.6% 0.029 82.6)
-
Step 300
300
#D2BE9B
oklch(80.9% 0.052 81.6)
-
Step 400
400
#BB9C63
oklch(70.8% 0.083 81.9)
-
Step 500
500 (this color)
#A67F31
oklch(62% 0.106 81.6)
-
Step 600
600
#956B00
oklch(55.6% 0.115 81.4)
-
Step 700
700
#7D5A00
oklch(49.1% 0.101 82.2)
-
Step 800
800
#674900
oklch(42.7% 0.088 81.6)
-
Step 900
900
#543D0E
oklch(37.6% 0.069 81)
-
Step 950
950
#31240B
oklch(27% 0.043 81.4)
#A67F31 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) | #8F7F27 | 0.040 |
| Deuteranopia (no green cones) | #988934 | 0.033 |
| Tritanopia (no blue cones) | #B4736F | 0.094 |
| Achromatopsia (no color) | #858585 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A67F31
#A67F31
oklch(62% 0.106 81.6)
- #6286C6
#6286C6
oklch(62.1% 0.106 261.4)
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 #A67F31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Brown #AC7E04 ΔE 0.022
- Bronze #A87900 ΔE 0.023
- Coffee #A6814C ΔE 0.025
- Golden Brown #B27A01 ΔE 0.026
- Tan Brown #AB7E4C ΔE 0.030
- Leather #AC7434 ΔE 0.031
- Light Brown #AD8150 ΔE 0.034
- Dark Tan #AF884A ΔE 0.034
Use #A67F31 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.