#66904D
Closest named color: Moss Green (#658B38). oklch(60.6% 0.106 134.8), rgb(102, 144, 77).
Aa
Black text reads best on this color (5.66:1).
About this color
#66904D is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.106 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss Green (#658B38), ΔE 0.024 away. Black text reads best on it, at 5.66:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Moss Green (#658B38) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #66904D |
| RGB | rgb(102, 144, 77) |
| HSL | hsl(98, 30%, 43%) |
| OKLCH | oklch(60.6% 0.106 134.8) |
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 #66904D | 3.70:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #66904D | 5.66:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #66904D text on white | 3.70:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #66904D text on black | 5.66:1 | AA | Lc -37.1 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D1DECB
oklch(88.6% 0.029 135.6)
-
Step 300
300
#B3C9A7
oklch(81% 0.052 134.5)
-
Step 400
400
#8BAC78
oklch(70.6% 0.082 134.5)
-
Step 500
500 (this color)
#66904D
oklch(60.6% 0.106 134.8)
-
Step 600
600
#558238
oklch(55.6% 0.116 134.7)
-
Step 700
700
#456E2A
oklch(49.2% 0.108 134.8)
-
Step 800
800
#395924
oklch(42.6% 0.088 134.6)
-
Step 900
900
#314A23
oklch(37.8% 0.069 135.3)
-
Step 950
950
#1D2B15
oklch(27% 0.043 134.9)
#66904D 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) | #958748 | 0.067 |
| Deuteranopia (no green cones) | #8E8351 | 0.066 |
| Tritanopia (no blue cones) | #668B80 | 0.077 |
| Achromatopsia (no color) | #858585 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66904D
#66904D
oklch(60.6% 0.106 134.8)
- #9A6EAE
#9A6EAE
oklch(60.7% 0.106 314.8)
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 #66904D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Moss Green #658B38 ΔE 0.024
- Light Forest Green #4F9153 ΔE 0.024
- Drab Green #749551 ΔE 0.024
- Fern Green #548D44 ΔE 0.026
- Khaki Green #728639 ΔE 0.031
- Camo #7F8F4E ΔE 0.033
- Moss #769958 ΔE 0.036
- Olive Drab #6B8E23 ΔE 0.037
Use #66904D 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.