#66745A
Closest named color: Grey Brown (#7F7053). oklch(54% 0.043 130.8), rgb(102, 116, 90).
Aa
White text reads best on this color (4.98:1).
About this color
#66745A is a medium-dark, muted green. In OKLCH its lightness is 54%, its chroma 0.043 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 4.98:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Grey Brown (#7F7053) |
| Black text | 4.21:1 |
| White text | 4.98:1 |
Values
| HEX | #66745A |
| RGB | rgb(102, 116, 90) |
| HSL | hsl(92, 13%, 40%) |
| OKLCH | oklch(54% 0.043 130.8) |
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 #66745A | 4.98:1 | AA | Lc -79.9 | Fine for body text |
| Black text on #66745A | 4.21:1 | AA large text | Lc 29.6 | Dividers and decoration only |
| #66745A text on white | 4.98:1 | AA | Lc 74.5 | Content text, not long reading |
| #66745A text on black | 4.21:1 | AA large text | Lc -27.2 | 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
#D7DBD3
oklch(88.6% 0.012 128.6)
-
Step 300
300
#BCC3B7
oklch(80.8% 0.018 131.9)
-
Step 400
400
#9AA591
oklch(70.7% 0.031 130.9)
-
Step 500
500
#818F76
oklch(63.2% 0.04 131.4)
-
Step 600
600 (this color)
#66745A
oklch(54% 0.043 130.8)
-
Step 700
700
#59664E
oklch(49.2% 0.04 130.9)
-
Step 800
800
#495340
oklch(42.8% 0.033 130.3)
-
Step 900
900
#3D4536
oklch(37.8% 0.027 130.5)
-
Step 950
950
#242820
oklch(27% 0.016 129.1)
#66745A 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) | #777058 | 0.026 |
| Deuteranopia (no green cones) | #746F5B | 0.025 |
| Tritanopia (no blue cones) | #67726D | 0.032 |
| Achromatopsia (no color) | #707070 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66745A
#66745A
oklch(54% 0.043 130.8)
- #776881
#776881
oklch(54% 0.042 311.8)
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 #66745A, 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 0.047
- Dark Taupe #7F684E ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.047
- Military Green #667C3E ΔE 0.051
- Dull Brown #876E4B ΔE 0.051
- Muddy Green #657432 ΔE 0.052
- Battleship Gray #6C757D ΔE 0.055
Use #66745A 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.