#AC770B
Closest named color: Bronze (#A87900). oklch(60.8% 0.125 76.9), rgb(172, 119, 11).
Aa
Black text reads best on this color (5.39:1).
About this color
#AC770B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 61%, its chroma 0.125 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Bronze (#A87900), ΔE 0.010 away. Black text reads best on it, at 5.39:1.
| Hue family | Browns |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Bronze (#A87900) |
| Black text | 5.39:1 |
| White text | 3.89:1 |
Values
| HEX | #AC770B |
| RGB | rgb(172, 119, 11) |
| HSL | hsl(40, 88%, 36%) |
| OKLCH | oklch(60.8% 0.125 76.9) |
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 #AC770B | 3.89:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #AC770B | 5.39:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #AC770B text on white | 3.89:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #AC770B text on black | 5.39:1 | AA | Lc -35.6 | 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
#F9F5EF
oklch(97.2% 0.009 78.3)
-
Step 100
100
#F1E9DD
oklch(93.7% 0.018 78.2)
-
Step 200
200
#E6D7C1
oklch(88.5% 0.034 77.6)
-
Step 300
300
#D7BC95
oklch(80.9% 0.061 76.8)
-
Step 400
400
#C39857
oklch(70.6% 0.098 76.4)
-
Step 500
500 (this color)
#AC770B
oklch(60.8% 0.125 76.9)
-
Step 600
600
#996900
oklch(55.7% 0.116 77.3)
-
Step 700
700
#815700
oklch(49% 0.103 76.4)
-
Step 800
800
#6A4700
oklch(42.6% 0.089 76.7)
-
Step 900
900
#593B00
oklch(37.8% 0.079 76.7)
-
Step 950
950
#342304
oklch(27% 0.051 78.6)
#AC770B 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) | #8B7900 | 0.057 |
| Deuteranopia (no green cones) | #978613 | 0.050 |
| Tritanopia (no blue cones) | #BC6965 | 0.105 |
| Achromatopsia (no color) | #818181 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC770B
#AC770B
oklch(60.8% 0.125 76.9)
- #4F83CC
#4F83CC
oklch(60.7% 0.125 257.1)
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 #AC770B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bronze #A87900 ΔE 0.010
- Golden Brown #B27A01 ΔE 0.014
- Mustard Brown #AC7E04 ΔE 0.019
- Caramel #AF6F09 ΔE 0.020
- Leather #AC7434 ΔE 0.028
- Brown Orange #B96902 ΔE 0.039
- Clay Brown #B2713D ΔE 0.043
- Tiger's Eye #BC6C25 ΔE 0.044
Use #AC770B 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.