#AC8131
Closest named color: Mustard Brown (#AC7E04). oklch(63.1% 0.109 79.7), rgb(172, 129, 49).
Aa
Black text reads best on this color (5.93:1).
About this color
#AC8131 is a medium-light, moderately saturated orange. In OKLCH its lightness is 63%, its chroma 0.109 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Brown (#AC7E04), ΔE 0.021 away. Black text reads best on it, at 5.93:1.
| Hue family | Oranges |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.109) |
| Temperature | warm |
| Nearest name | Mustard Brown (#AC7E04) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #AC8131 |
| RGB | rgb(172, 129, 49) |
| HSL | hsl(39, 56%, 43%) |
| OKLCH | oklch(63.1% 0.109 79.7) |
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 #AC8131 | 3.53:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #AC8131 | 5.93:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #AC8131 text on white | 3.53:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #AC8131 text on black | 5.93:1 | AA | Lc -38.9 | 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
#E4D7C4
oklch(88.5% 0.029 77.5)
-
Step 300
300
#D3BD9A
oklch(80.8% 0.053 79.3)
-
Step 400
400
#BD9B61
oklch(70.8% 0.086 80)
-
Step 500
500 (this color)
#AC8131
oklch(63.1% 0.109 79.7)
-
Step 600
600
#966A00
oklch(55.5% 0.115 79.9)
-
Step 700
700
#7F5900
oklch(49.2% 0.102 79.8)
-
Step 800
800
#684800
oklch(42.6% 0.088 79.5)
-
Step 900
900
#553D0B
oklch(37.7% 0.071 80.8)
-
Step 950
950
#322409
oklch(27.1% 0.046 80.9)
#AC8131 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) | #928227 | 0.045 |
| Deuteranopia (no green cones) | #9C8D34 | 0.039 |
| Tritanopia (no blue cones) | #BB7570 | 0.094 |
| Achromatopsia (no color) | #888888 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC8131
#AC8131
oklch(63.1% 0.109 79.7)
- #618ACB
#618ACB
oklch(63.1% 0.109 259.3)
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 #AC8131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Brown #AC7E04 ΔE 0.021
- Golden Brown #B27A01 ΔE 0.024
- Dark Tan #AF884A ΔE 0.026
- Coffee #A6814C ΔE 0.027
- Bronze #A87900 ΔE 0.028
- Tan Brown #AB7E4C ΔE 0.030
- Light Brown #AD8150 ΔE 0.031
- Dark Goldenrod #B8860B ΔE 0.032
Use #AC8131 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.