#AC5F40
Closest named color: Earth (#A2653E). oklch(56.8% 0.11 42.2), rgb(172, 95, 64).
Aa
White text reads best on this color (4.70:1).
About this color
#AC5F40 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.110 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.023 away. White text reads best on it, at 4.70:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.110) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #AC5F40 |
| RGB | rgb(172, 95, 64) |
| HSL | hsl(17, 46%, 46%) |
| OKLCH | oklch(56.8% 0.11 42.2) |
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 #AC5F40 | 4.70:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #AC5F40 | 4.46:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #AC5F40 text on white | 4.70:1 | AA | Lc 72.3 | Content text, not long reading |
| #AC5F40 text on black | 4.46:1 | AA large text | Lc -29.4 | Dividers and decoration only |
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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E2
oklch(93.6% 0.015 44.2)
-
Step 200
200
#EAD4CB
oklch(88.6% 0.028 43.6)
-
Step 300
300
#DDB7A8
oklch(80.9% 0.049 42.7)
-
Step 400
400
#CB917A
oklch(70.8% 0.078 42.5)
-
Step 500
500
#BD7457
oklch(63.1% 0.101 42.3)
-
Step 600
600 (this color)
#AC5F40
oklch(56.8% 0.11 42.2)
-
Step 700
700
#904B2F
oklch(49.2% 0.102 42.1)
-
Step 800
800
#753E27
oklch(42.8% 0.085 42.8)
-
Step 900
900
#5F3524
oklch(37.7% 0.067 42.5)
-
Step 950
950
#381F16
oklch(27% 0.042 40.5)
#AC5F40 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) | #73693D | 0.102 |
| Deuteranopia (no green cones) | #867A3F | 0.093 |
| Tritanopia (no blue cones) | #BC5158 | 0.058 |
| Achromatopsia (no color) | #747474 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC5F40
#AC5F40
oklch(56.8% 0.11 42.2)
- #0084A3
#0084A3
oklch(56.9% 0.105 222)
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 #AC5F40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.023
- Copper #B66325 ΔE 0.035
- Clay #B66A50 ΔE 0.036
- Sienna #A0522D ΔE 0.042
- Raw Umber #A75E09 ΔE 0.043
- Orangey Brown #B16002 ΔE 0.043
- Burnt Siena #B75203 ΔE 0.044
- Sepia #985E2B ΔE 0.045
Use #AC5F40 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.