#666128
Closest named color: Greeny Brown (#696006). oklch(48.5% 0.078 104.3), rgb(102, 97, 40).
Aa
White text reads best on this color (6.35:1).
About this color
#666128 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 48%, its chroma 0.078 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Greeny Brown (#696006), ΔE 0.021 away. White text reads best on it, at 6.35:1.
| Hue family | Browns |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Greeny Brown (#696006) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #666128 |
| RGB | rgb(102, 97, 40) |
| HSL | hsl(55, 44%, 28%) |
| OKLCH | oklch(48.5% 0.078 104.3) |
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 #666128 | 6.35:1 | AA | Lc -86.7 | Fine for body text |
| Black text on #666128 | 3.30:1 | AA large text | Lc 22.5 | Dividers and decoration only |
| #666128 text on white | 6.35:1 | AA | Lc 81.5 | Fine for body text |
| #666128 text on black | 3.30:1 | AA large text | Lc -20.3 | 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
#F6F6F2
oklch(97.2% 0.005 106.5)
-
Step 100
100
#EBEAE2
oklch(93.6% 0.011 100.8)
-
Step 200
200
#DBDACB
oklch(88.5% 0.02 103.7)
-
Step 300
300
#C4C2A7
oklch(80.8% 0.037 103.7)
-
Step 400
400
#A6A377
oklch(70.7% 0.061 104.6)
-
Step 500
500
#918C54
oklch(63.1% 0.076 103.9)
-
Step 600
600
#7B7638
oklch(55.6% 0.084 104.6)
-
Step 700
700 (this color)
#666128
oklch(48.5% 0.078 104.3)
-
Step 800
800
#555124
oklch(42.8% 0.065 104.2)
-
Step 900
900
#464322
oklch(37.7% 0.05 104)
-
Step 950
950
#292715
oklch(27% 0.031 102.8)
#666128 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) | #695E22 | 0.009 |
| Deuteranopia (no green cones) | #6B612B | 0.009 |
| Tritanopia (no blue cones) | #6D5B54 | 0.070 |
| Achromatopsia (no color) | #5F5F5F | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #666128
#666128
oklch(48.5% 0.078 104.3)
- #5A5889
#5A5889
oklch(48.4% 0.078 285)
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 #666128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Brown #696006 ΔE 0.021
- Mud #735C12 ΔE 0.025
- Dark Moss Green #606C38 ΔE 0.032
- Camo Green #526525 ΔE 0.033
- Mud Green #606602 ΔE 0.035
- Dark Olive Green #556B2F ΔE 0.036
- Olive Brown #645403 ΔE 0.040
- Brown Green #706C11 ΔE 0.044
Use #666128 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.