#665137
Closest named color: Mud Brown (#60460F). oklch(45% 0.048 72.1), rgb(102, 81, 55).
Aa
White text reads best on this color (7.50:1).
About this color
#665137 is a dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.048 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.048 away. White text reads best on it, at 7.50:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.79:1 |
| White text | 7.50:1 |
Values
| HEX | #665137 |
| RGB | rgb(102, 81, 55) |
| HSL | hsl(33, 30%, 31%) |
| OKLCH | oklch(45% 0.048 72.1) |
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 #665137 | 7.50:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #665137 | 2.79:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #665137 text on white | 7.50:1 | AAA | Lc 86.1 | Fine for body text |
| #665137 text on black | 2.79:1 | Fails | Lc -16.0 | 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 800.
-
Step 50
50
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EDE9E4
oklch(93.6% 0.008 73.7)
-
Step 200
200
#E0D8CE
oklch(88.6% 0.016 73.7)
-
Step 300
300
#CCBEAD
oklch(80.8% 0.028 72.7)
-
Step 400
400
#B39D82
oklch(70.8% 0.046 72.7)
-
Step 500
500
#9F8463
oklch(63% 0.057 72.1)
-
Step 600
600
#8A6E4A
oklch(55.7% 0.062 73)
-
Step 700
700
#755B3B
oklch(49% 0.058 71.6)
-
Step 800
800 (this color)
#665137
oklch(45% 0.048 72.1)
-
Step 900
900
#4E3E2B
oklch(37.6% 0.038 71.1)
-
Step 950
950
#2E251A
oklch(27.1% 0.024 72.2)
#665137 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) | #595235 | 0.023 |
| Deuteranopia (no green cones) | #5E5738 | 0.021 |
| Tritanopia (no blue cones) | #6D4C4A | 0.039 |
| Achromatopsia (no color) | #555555 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665137
#665137
oklch(45% 0.048 72.1)
- #425770
#425770
oklch(45% 0.049 253.2)
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 #665137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.048
- Milk Chocolate #7F4E1E ΔE 0.049
- Olive Brown #645403 ΔE 0.051
- Medium Brown #7F5112 ΔE 0.055
- Mud #735C12 ΔE 0.060
- Green Brown #544E03 ΔE 0.062
- Brownish Purple #76424E ΔE 0.070
- Greeny Brown #696006 ΔE 0.071
Use #665137 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.