#90691B
Closest named color: Muddy Brown (#886806). oklch(54.7% 0.103 79.9), rgb(144, 105, 27).
Aa
White text reads best on this color (4.97:1).
About this color
#90691B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.103 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Muddy Brown (#886806), ΔE 0.018 away. White text reads best on it, at 4.97:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.103) |
| Temperature | warm |
| Nearest name | Muddy Brown (#886806) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #90691B |
| RGB | rgb(144, 105, 27) |
| HSL | hsl(40, 68%, 34%) |
| OKLCH | oklch(54.7% 0.103 79.9) |
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 #90691B | 4.97:1 | AA | Lc -79.6 | Fine for body text |
| Black text on #90691B | 4.22:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #90691B text on white | 4.97:1 | AA | Lc 74.2 | Content text, not long reading |
| #90691B text on black | 4.22:1 | AA large text | Lc -27.5 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E2D8C7
oklch(88.6% 0.025 81.1)
-
Step 300
300
#D1BE9F
oklch(80.9% 0.047 80)
-
Step 400
400
#B99C6B
oklch(70.7% 0.074 80.2)
-
Step 500
500
#A88342
oklch(63.2% 0.095 79.7)
-
Step 600
600 (this color)
#90691B
oklch(54.7% 0.103 79.9)
-
Step 700
700
#7D5A10
oklch(49.2% 0.096 80.3)
-
Step 800
800
#664912
oklch(42.7% 0.079 78.9)
-
Step 900
900
#533E17
oklch(37.8% 0.062 80.3)
-
Step 950
950
#30240F
oklch(26.9% 0.038 80)
#90691B 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) | #786A0C | 0.044 |
| Deuteranopia (no green cones) | #82741F | 0.036 |
| Tritanopia (no blue cones) | #9D5E5A | 0.089 |
| Achromatopsia (no color) | #707070 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90691B
#90691B
oklch(54.7% 0.103 79.9)
- #4C71AC
#4C71AC
oklch(54.8% 0.102 259.4)
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 #90691B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Brown #886806 ΔE 0.018
- Raw Sienna #9A6200 ΔE 0.023
- Hazel #8E7618 ΔE 0.036
- Dirt #8A6E45 ΔE 0.037
- Dirt Brown #836539 ΔE 0.038
- Sepia #985E2B ΔE 0.038
- Dull Brown #876E4B ΔE 0.045
- Raw Umber #A75E09 ΔE 0.046
Use #90691B 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.