#66601C
Closest named color: Greeny Brown (#696006). oklch(48.1% 0.088 104.2), rgb(102, 96, 28).
Aa
White text reads best on this color (6.45:1).
About this color
#66601C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 48%, its chroma 0.088 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Greeny Brown (#696006), ΔE 0.012 away. White text reads best on it, at 6.45:1.
| Hue family | Browns |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Greeny Brown (#696006) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #66601C |
| RGB | rgb(102, 96, 28) |
| HSL | hsl(55, 57%, 25%) |
| OKLCH | oklch(48.1% 0.088 104.2) |
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 #66601C | 6.45:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #66601C | 3.25:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #66601C text on white | 6.45:1 | AA | Lc 81.9 | Fine for body text |
| #66601C text on black | 3.25:1 | AA large text | Lc -19.9 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE1
oklch(93.5% 0.012 101.5)
-
Step 200
200
#DBDAC9
oklch(88.5% 0.023 104.1)
-
Step 300
300
#C5C2A3
oklch(80.8% 0.042 102.7)
-
Step 400
400
#A7A372
oklch(70.7% 0.067 104)
-
Step 500
500
#928C4B
oklch(63.1% 0.087 103.9)
-
Step 600
600
#7C762D
oklch(55.6% 0.094 104.6)
-
Step 700
700 (this color)
#66601C
oklch(48.1% 0.088 104.2)
-
Step 800
800
#55511C
oklch(42.7% 0.073 105)
-
Step 900
900
#46431D
oklch(37.6% 0.057 104.7)
-
Step 950
950
#292712
oklch(26.9% 0.035 103.7)
#66601C 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) | #695D12 | 0.009 |
| Deuteranopia (no green cones) | #6B6020 | 0.010 |
| Tritanopia (no blue cones) | #6E5952 | 0.080 |
| Achromatopsia (no color) | #5E5E5E | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66601C
#66601C
oklch(48.1% 0.088 104.2)
- #58568D
#58568D
oklch(48% 0.087 284.2)
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 #66601C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Brown #696006 ΔE 0.012
- Mud #735C12 ΔE 0.023
- Mud Green #606602 ΔE 0.028
- Camo Green #526525 ΔE 0.031
- Olive Brown #645403 ΔE 0.035
- Dark Olive Green #556B2F ΔE 0.037
- Dark Moss Green #606C38 ΔE 0.037
- Brown Green #706C11 ΔE 0.042
Use #66601C 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.