#AC6151
Closest named color: Clay (#B66A50). oklch(57.5% 0.101 33), rgb(172, 97, 81).
Aa
Black text reads best on this color (4.58:1).
About this color
#AC6151 is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.101 and its hue 33°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.031 away. Black text reads best on it, at 4.58:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.58:1 |
| White text | 4.58:1 |
Values
| HEX | #AC6151 |
| RGB | rgb(172, 97, 81) |
| HSL | hsl(11, 36%, 50%) |
| OKLCH | oklch(57.5% 0.101 33) |
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 #AC6151 | 4.58:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #AC6151 | 4.58:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #AC6151 text on white | 4.58:1 | AA | Lc 71.5 | Content text, not long reading |
| #AC6151 text on black | 4.58:1 | AA | Lc -30.1 | 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 600.
-
Step 50
50
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F2E7E4
oklch(93.6% 0.013 35.7)
-
Step 200
200
#E9D4CF
oklch(88.6% 0.024 33.6)
-
Step 300
300
#DCB7AE
oklch(80.9% 0.045 33.9)
-
Step 400
400
#CA9083
oklch(70.7% 0.074 33)
-
Step 500
500
#BB7465
oklch(63.1% 0.093 32.6)
-
Step 600
600 (this color)
#AC6151
oklch(57.5% 0.101 33)
-
Step 700
700
#8E4B3D
oklch(49.1% 0.094 32.9)
-
Step 800
800
#733E32
oklch(42.7% 0.077 33.8)
-
Step 900
900
#5E352C
oklch(37.8% 0.061 33.2)
-
Step 950
950
#371F1A
oklch(26.9% 0.039 32.5)
#AC6151 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) | #736C50 | 0.100 |
| Deuteranopia (no green cones) | #857C50 | 0.094 |
| Tritanopia (no blue cones) | #BB555D | 0.044 |
| Achromatopsia (no color) | #757575 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC6151
#AC6151
oklch(57.5% 0.101 33)
- #00889C
#00889C
oklch(57.6% 0.101 212.7)
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 #AC6151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.031
- Earth #A2653E ΔE 0.035
- Pinkish Brown #B17261 ΔE 0.044
- Adobe #BD6C48 ΔE 0.047
- Copper #B66325 ΔE 0.050
- Dusky Rose #BA6873 ΔE 0.054
- Sienna #A0522D ΔE 0.055
- Clay Brown #B2713D ΔE 0.055
Use #AC6151 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.