#665121
Closest named color: Olive Brown (#645403). oklch(44.6% 0.071 85.4), rgb(102, 81, 33).
Aa
White text reads best on this color (7.59:1).
About this color
#665121 is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.071 and its hue 85°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.025 away. White text reads best on it, at 7.59:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.76:1 |
| White text | 7.59:1 |
Values
| HEX | #665121 |
| RGB | rgb(102, 81, 33) |
| HSL | hsl(42, 51%, 26%) |
| OKLCH | oklch(44.6% 0.071 85.4) |
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 #665121 | 7.59:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #665121 | 2.76:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #665121 text on white | 7.59:1 | AAA | Lc 86.3 | Fine for body text |
| #665121 text on black | 2.76:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDE9E1
oklch(93.5% 0.012 84.6)
-
Step 200
200
#E0D8C8
oklch(88.4% 0.023 84.6)
-
Step 300
300
#CDBFA3
oklch(80.9% 0.041 84.6)
-
Step 400
400
#B39E71
oklch(70.7% 0.066 85.7)
-
Step 500
500
#A1864A
oklch(63.2% 0.085 85.7)
-
Step 600
600
#8C6F2C
oklch(55.7% 0.092 85.3)
-
Step 700
700
#775D1E
oklch(49.2% 0.086 85.7)
-
Step 800
800 (this color)
#665121
oklch(44.6% 0.071 85.4)
-
Step 900
900
#4F3F1C
oklch(37.6% 0.056 84.9)
-
Step 950
950
#2E2511
oklch(26.9% 0.035 85.8)
#665121 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) | #5B511C | 0.021 |
| Deuteranopia (no green cones) | #605623 | 0.017 |
| Tritanopia (no blue cones) | #6F4A47 | 0.064 |
| Achromatopsia (no color) | #545454 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #665121
#665121
oklch(44.6% 0.071 85.4)
- #41537C
#41537C
oklch(44.6% 0.071 265.5)
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 #665121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.025
- Mud Brown #60460F ΔE 0.035
- Green Brown #544E03 ΔE 0.042
- Mud #735C12 ΔE 0.044
- Medium Brown #7F5112 ΔE 0.046
- Milk Chocolate #7F4E1E ΔE 0.046
- Greeny Brown #696006 ΔE 0.053
- Army Green #4B5D16 ΔE 0.059
Use #665121 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.