#66735B
Closest named color: Grey Brown (#7F7053). oklch(53.8% 0.04 130.9), rgb(102, 115, 91).
Aa
White text reads best on this color (5.03:1).
About this color
#66735B is a medium-dark, muted green. In OKLCH its lightness is 54%, its chroma 0.040 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Brown (#7F7053), ΔE 0.038 away. White text reads best on it, at 5.03:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.16:1 |
| White text | 5.03:1 |
Values
| HEX | #66735B |
| RGB | rgb(102, 115, 91) |
| HSL | hsl(92, 12%, 40%) |
| OKLCH | oklch(53.8% 0.04 130.9) |
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 #66735B | 5.03:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #66735B | 4.16:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #66735B text on white | 5.03:1 | AA | Lc 74.8 | Content text, not long reading |
| #66735B text on black | 4.16:1 | AA large text | Lc -26.9 | 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 600.
-
Step 50
50
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D7DAD4
oklch(88.4% 0.009 128.6)
-
Step 300
300
#BDC3B7
oklch(80.9% 0.018 128.7)
-
Step 400
400
#9AA592
oklch(70.8% 0.03 131.9)
-
Step 500
500
#828E77
oklch(63% 0.036 129.9)
-
Step 600
600 (this color)
#66735B
oklch(53.8% 0.04 130.9)
-
Step 700
700
#59654F
oklch(49% 0.037 131)
-
Step 800
800
#495341
oklch(42.8% 0.032 131.4)
-
Step 900
900
#3D4437
oklch(37.6% 0.023 130.6)
-
Step 950
950
#242820
oklch(27% 0.016 129.1)
#66735B 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) | #756F5A | 0.024 |
| Deuteranopia (no green cones) | #736F5C | 0.022 |
| Tritanopia (no blue cones) | #67716C | 0.029 |
| Achromatopsia (no color) | #6F6F6F | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66735B
#66735B
oklch(53.8% 0.04 130.9)
- #75687F
#75687F
oklch(53.8% 0.039 310.4)
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 #66735B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Brown #7F7053 ΔE 0.038
- Dim Gray #696969 ΔE 0.043
- Dark Taupe #7F684E ΔE 0.045
- Dark Moss Green #606C38 ΔE 0.048
- Dull Brown #876E4B ΔE 0.052
- Battleship Gray #6C757D ΔE 0.053
- Military Green #667C3E ΔE 0.054
- Muddy Green #657432 ΔE 0.055
Use #66735B 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.