#66745E
Closest named color: Grey Brown (#7F7053). oklch(54.1% 0.037 134.2), rgb(102, 116, 94).
Aa
White text reads best on this color (4.97:1).
About this color
#66745E is a medium-dark, muted green. In OKLCH its lightness is 54%, its chroma 0.037 and its hue 134°. 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 4.97:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #66745E |
| RGB | rgb(102, 116, 94) |
| HSL | hsl(98, 10%, 41%) |
| OKLCH | oklch(54.1% 0.037 134.2) |
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 #66745E | 4.97:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #66745E | 4.22:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #66745E text on white | 4.97:1 | AA | Lc 74.4 | Content text, not long reading |
| #66745E text on black | 4.22:1 | AA large text | Lc -27.3 | 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
#E8EAE7
oklch(93.5% 0.005 134.9)
-
Step 200
200
#D6DAD4
oklch(88.4% 0.009 134.9)
-
Step 300
300
#BCC3B8
oklch(80.9% 0.017 133.8)
-
Step 400
400
#9AA594
oklch(70.8% 0.027 134.3)
-
Step 500
500
#818E79
oklch(63% 0.034 133.5)
-
Step 600
600 (this color)
#66745E
oklch(54.1% 0.037 134.2)
-
Step 700
700
#596551
oklch(49% 0.034 132.9)
-
Step 800
800
#495343
oklch(42.8% 0.029 133.8)
-
Step 900
900
#3D4438
oklch(37.6% 0.022 132.2)
-
Step 950
950
#242821
oklch(27% 0.014 131.7)
#66745E 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) | #76715D | 0.024 |
| Deuteranopia (no green cones) | #746F5F | 0.025 |
| Tritanopia (no blue cones) | #66726E | 0.027 |
| Achromatopsia (no color) | #707070 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66745E
#66745E
oklch(54.1% 0.037 134.2)
- #77697E
#77697E
oklch(54.1% 0.036 314.5)
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 #66745E, 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 0.042
- Dark Taupe #7F684E ΔE 0.047
- Battleship Gray #6C757D ΔE 0.049
- Dark Moss Green #606C38 ΔE 0.052
- Dull Brown #876E4B ΔE 0.053
- Military Green #667C3E ΔE 0.056
- Muddy Green #657432 ΔE 0.058
Use #66745E 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.