#AD591F
Closest named color: Raw Umber (#A75E09). oklch(55.6% 0.129 50.7), rgb(173, 89, 31).
Aa
White text reads best on this color (4.96:1).
About this color
#AD591F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.129 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.022 away. White text reads best on it, at 4.96:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.129) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.22:1 |
| White text | 4.96:1 |
Values
| HEX | #AD591F |
| RGB | rgb(173, 89, 31) |
| HSL | hsl(25, 70%, 40%) |
| OKLCH | oklch(55.6% 0.129 50.7) |
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 #AD591F | 4.96:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #AD591F | 4.22:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #AD591F text on white | 4.96:1 | AA | Lc 73.9 | Content text, not long reading |
| #AD591F text on black | 4.22:1 | AA large text | Lc -27.8 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD4C6
oklch(88.6% 0.033 52.3)
-
Step 300
300
#E0B79F
oklch(81% 0.058 52)
-
Step 400
400
#D0906B
oklch(70.8% 0.093 50.7)
-
Step 500
500
#C27242
oklch(63.1% 0.119 50.2)
-
Step 600
600 (this color)
#AD591F
oklch(55.6% 0.129 50.7)
-
Step 700
700
#944911
oklch(49.1% 0.119 51.1)
-
Step 800
800
#793C12
oklch(42.7% 0.1 50.6)
-
Step 900
900
#613417
oklch(37.6% 0.077 51.1)
-
Step 950
950
#391F0F
oklch(27% 0.048 51.1)
#AD591F 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) | #716416 | 0.111 |
| Deuteranopia (no green cones) | #85771D | 0.101 |
| Tritanopia (no blue cones) | #BE474E | 0.078 |
| Achromatopsia (no color) | #707070 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD591F
#AD591F
oklch(55.6% 0.129 50.7)
- #007EA8
#007EA8
oklch(55.6% 0.112 230.6)
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 #AD591F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.022
- Burnt Siena #B75203 ΔE 0.022
- Cinnamon #AC4F06 ΔE 0.023
- Orangey Brown #B16002 ΔE 0.025
- Copper #B66325 ΔE 0.031
- Umber #B26400 ΔE 0.034
- Sienna #A0522D ΔE 0.035
- Earth #A2653E ΔE 0.035
Use #AD591F 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.