#66775E
Closest named color: Grey Brown (#7F7053). oklch(54.8% 0.043 135.7), rgb(102, 119, 94).
Aa
White text reads best on this color (4.81:1).
About this color
#66775E is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.043 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Brown (#7F7053), ΔE 0.039 away. White text reads best on it, at 4.81:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.36:1 |
| White text | 4.81:1 |
Values
| HEX | #66775E |
| RGB | rgb(102, 119, 94) |
| HSL | hsl(101, 12%, 42%) |
| OKLCH | oklch(54.8% 0.043 135.7) |
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 #66775E | 4.81:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #66775E | 4.36:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #66775E text on white | 4.81:1 | AA | Lc 73.4 | Content text, not long reading |
| #66775E text on black | 4.36:1 | AA large text | Lc -28.3 | 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 600.
-
Step 50
50
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE7
oklch(93.7% 0.006 137.8)
-
Step 200
200
#D6DBD4
oklch(88.6% 0.011 136.6)
-
Step 300
300
#BBC4B7
oklch(81% 0.02 135.8)
-
Step 400
400
#98A592
oklch(70.6% 0.031 135.7)
-
Step 500
500
#7F8F78
oklch(63.1% 0.038 136.1)
-
Step 600
600 (this color)
#66775E
oklch(54.8% 0.043 135.7)
-
Step 700
700
#57664F
oklch(49.1% 0.04 134.8)
-
Step 800
800
#475341
oklch(42.6% 0.033 135.2)
-
Step 900
900
#3C4537
oklch(37.8% 0.026 134.4)
-
Step 950
950
#232820
oklch(26.9% 0.016 133.7)
#66775E 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) | #79735D | 0.029 |
| Deuteranopia (no green cones) | #76715F | 0.029 |
| Tritanopia (no blue cones) | #667570 | 0.030 |
| Achromatopsia (no color) | #727272 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66775E
#66775E
oklch(54.8% 0.043 135.7)
- #7B6A82
#7B6A82
oklch(54.9% 0.042 316.1)
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 #66775E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Brown #7F7053 ΔE 0.039
- Dark Sage #598556 ΔE 0.050
- Military Green #667C3E ΔE 0.050
- Dim Gray #696969 ΔE 0.051
- Battleship Gray #6C757D ΔE 0.052
- Dark Taupe #7F684E ΔE 0.052
- Dull Brown #876E4B ΔE 0.053
- Dark Moss Green #606C38 ΔE 0.054
Use #66775E 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.