#AC751F
Closest named color: Caramel (#AF6F09). oklch(60.5% 0.118 72.9), rgb(172, 117, 31).
Aa
Black text reads best on this color (5.31:1).
About this color
#AC751F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.118 and its hue 73°. Its hue sits on the warm side of the wheel. The nearest named color is Caramel (#AF6F09), ΔE 0.015 away. Black text reads best on it, at 5.31:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.118) |
| Temperature | warm |
| Nearest name | Caramel (#AF6F09) |
| Black text | 5.31:1 |
| White text | 3.94:1 |
Values
| HEX | #AC751F |
| RGB | rgb(172, 117, 31) |
| HSL | hsl(37, 69%, 40%) |
| OKLCH | oklch(60.5% 0.118 72.9) |
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 #AC751F | 3.94:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #AC751F | 5.31:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #AC751F text on white | 3.94:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #AC751F text on black | 5.31:1 | AA | Lc -35.0 | 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
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F1E8DE
oklch(93.5% 0.017 70.5)
-
Step 200
200
#E7D6C3
oklch(88.5% 0.032 70.5)
-
Step 300
300
#D8BB98
oklch(80.8% 0.058 72.1)
-
Step 400
400
#C4985D
oklch(70.8% 0.093 73.5)
-
Step 500
500 (this color)
#AC751F
oklch(60.5% 0.118 72.9)
-
Step 600
600
#9D6600
oklch(55.6% 0.119 72.5)
-
Step 700
700
#845600
oklch(49.2% 0.105 73.4)
-
Step 800
800
#6D4600
oklch(42.8% 0.091 73.1)
-
Step 900
900
#5A3A05
oklch(37.7% 0.077 73)
-
Step 950
950
#352207
oklch(27% 0.049 72.3)
#AC751F 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) | #88780E | 0.064 |
| Deuteranopia (no green cones) | #958522 | 0.055 |
| Tritanopia (no blue cones) | #BC6765 | 0.098 |
| Achromatopsia (no color) | #808080 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC751F
#AC751F
oklch(60.5% 0.118 72.9)
- #4A84C6
#4A84C6
oklch(60.4% 0.118 253)
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 #AC751F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Caramel #AF6F09 ΔE 0.015
- Leather #AC7434 ΔE 0.017
- Bronze #A87900 ΔE 0.019
- Golden Brown #B27A01 ΔE 0.021
- Mustard Brown #AC7E04 ΔE 0.028
- Clay Brown #B2713D ΔE 0.032
- Brown Orange #B96902 ΔE 0.033
- Tiger's Eye #BC6C25 ΔE 0.036
Use #AC751F 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.