#AC7C13
Closest named color: Mustard Brown (#AC7E04). oklch(61.8% 0.123 80.1), rgb(172, 124, 19).
Aa
Black text reads best on this color (5.64:1).
About this color
#AC7C13 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 62%, its chroma 0.123 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Mustard Brown (#AC7E04), ΔE 0.008 away. Black text reads best on it, at 5.64:1.
| Hue family | Browns |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.123) |
| Temperature | warm |
| Nearest name | Mustard Brown (#AC7E04) |
| Black text | 5.64:1 |
| White text | 3.71:1 |
Values
| HEX | #AC7C13 |
| RGB | rgb(172, 124, 19) |
| HSL | hsl(41, 80%, 37%) |
| OKLCH | oklch(61.8% 0.123 80.1) |
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 #AC7C13 | 3.71:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #AC7C13 | 5.64:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #AC7C13 text on white | 3.71:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #AC7C13 text on black | 5.64:1 | AA | Lc -37.1 | 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
#F0E9DD
oklch(93.6% 0.018 81.3)
-
Step 200
200
#E5D7C1
oklch(88.5% 0.033 79.3)
-
Step 300
300
#D5BD95
oklch(80.9% 0.06 80.3)
-
Step 400
400
#C09A57
oklch(70.7% 0.097 80.4)
-
Step 500
500 (this color)
#AC7C13
oklch(61.8% 0.123 80.1)
-
Step 600
600
#966A00
oklch(55.5% 0.115 79.9)
-
Step 700
700
#7E5900
oklch(49% 0.101 80.5)
-
Step 800
800
#684800
oklch(42.6% 0.088 79.5)
-
Step 900
900
#573C00
oklch(37.7% 0.078 80.1)
-
Step 950
950
#332304
oklch(26.9% 0.051 80.2)
#AC7C13 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) | #8F7D00 | 0.051 |
| Deuteranopia (no green cones) | #9A891A | 0.043 |
| Tritanopia (no blue cones) | #BC6E6A | 0.108 |
| Achromatopsia (no color) | #848484 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC7C13
#AC7C13
oklch(61.8% 0.123 80.1)
- #5985CF
#5985CF
oklch(61.8% 0.123 260.3)
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 #AC7C13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mustard Brown #AC7E04 ΔE 0.008
- Golden Brown #B27A01 ΔE 0.011
- Bronze #A87900 ΔE 0.012
- Caramel #AF6F09 ΔE 0.032
- Leather #AC7434 ΔE 0.034
- Dark Goldenrod #B8860B ΔE 0.035
- Dark Mustard #A88905 ΔE 0.036
- Yellowy Brown #AE8B0C ΔE 0.041
Use #AC7C13 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.