#90591F
Closest named color: Sepia (#985E2B). oklch(51.5% 0.101 63), rgb(144, 89, 31).
Aa
White text reads best on this color (5.77:1).
About this color
#90591F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 52%, its chroma 0.101 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Sepia (#985E2B), ΔE 0.022 away. White text reads best on it, at 5.77:1.
| Hue family | Browns |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Sepia (#985E2B) |
| Black text | 3.63:1 |
| White text | 5.77:1 |
Values
| HEX | #90591F |
| RGB | rgb(144, 89, 31) |
| HSL | hsl(31, 65%, 34%) |
| OKLCH | oklch(51.5% 0.101 63) |
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 #90591F | 5.77:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #90591F | 3.63:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #90591F text on white | 5.77:1 | AA | Lc 78.6 | Fine for body text |
| #90591F text on black | 3.63:1 | AA large text | Lc -23.2 | 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 700.
-
Step 50
50
#F9F5F1
oklch(97.2% 0.007 67.7)
-
Step 100
100
#F1E8E0
oklch(93.6% 0.015 64.3)
-
Step 200
200
#E7D6C7
oklch(88.6% 0.028 63.9)
-
Step 300
300
#D8BAA1
oklch(80.8% 0.049 61.9)
-
Step 400
400
#C4966D
oklch(70.7% 0.078 62.7)
-
Step 500
500
#B47B45
oklch(63% 0.1 62.8)
-
Step 600
600
#A06324
oklch(55.6% 0.11 62.4)
-
Step 700
700 (this color)
#90591F
oklch(51.5% 0.101 63)
-
Step 800
800
#6F4316
oklch(42.6% 0.084 62.2)
-
Step 900
900
#5A3919
oklch(37.7% 0.066 62.6)
-
Step 950
950
#352210
oklch(27.1% 0.041 63)
#90591F 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) | #6A5E17 | 0.070 |
| Deuteranopia (no green cones) | #776B20 | 0.063 |
| Tritanopia (no blue cones) | #9E4C4D | 0.076 |
| Achromatopsia (no color) | #666666 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90591F
#90591F
oklch(51.5% 0.101 63)
- #296D9D
#296D9D
oklch(51.5% 0.102 243.2)
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 #90591F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sepia #985E2B ΔE 0.022
- Warm Brown #964E02 ΔE 0.027
- Cocoa #875F42 ΔE 0.036
- Raw Sienna #9A6200 ΔE 0.036
- Dirt Brown #836539 ΔE 0.037
- Sienna #A0522D ΔE 0.039
- Medium Brown #7F5112 ΔE 0.041
- Milk Chocolate #7F4E1E ΔE 0.046
Use #90591F 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.