#66905D
Closest named color: Slate Green (#658D6D). oklch(60.9% 0.088 140.1), rgb(102, 144, 93).
Aa
Black text reads best on this color (5.71:1).
About this color
#66905D is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.088 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.027 away. Black text reads best on it, at 5.71:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #66905D |
| RGB | rgb(102, 144, 93) |
| HSL | hsl(109, 22%, 46%) |
| OKLCH | oklch(60.9% 0.088 140.1) |
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 #66905D | 3.67:1 | AA large text | Lc -69.8 | Content text, not long reading |
| Black text on #66905D | 5.71:1 | AA | Lc 39.8 | Non-text elements, placeholder text |
| #66905D text on white | 3.67:1 | AA large text | Lc 64.3 | Content text, not long reading |
| #66905D text on black | 5.71:1 | AA | Lc -37.4 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E6ECE4
oklch(93.6% 0.012 137.8)
-
Step 200
200
#D1DDCE
oklch(88.4% 0.024 139.4)
-
Step 300
300
#B2C8AE
oklch(80.9% 0.043 140.8)
-
Step 400
400
#8AAC83
oklch(70.8% 0.069 140.3)
-
Step 500
500 (this color)
#66905D
oklch(60.9% 0.088 140.1)
-
Step 600
600
#54814A
oklch(55.6% 0.096 140)
-
Step 700
700
#446D3B
oklch(49.1% 0.089 140)
-
Step 800
800
#385931
oklch(42.7% 0.074 140.1)
-
Step 900
900
#31492C
oklch(37.7% 0.056 140.2)
-
Step 950
950
#1D2B1A
oklch(27.1% 0.036 140.1)
#66905D 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) | #93885A | 0.063 |
| Deuteranopia (no green cones) | #8C8460 | 0.061 |
| Tritanopia (no blue cones) | #638D83 | 0.058 |
| Achromatopsia (no color) | #858585 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66905D
#66905D
oklch(60.9% 0.088 140.1)
- #9B71A4
#9B71A4
oklch(60.9% 0.089 320.4)
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 #66905D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.027
- Drab Green #749551 ΔE 0.029
- Light Forest Green #4F9153 ΔE 0.031
- Camo #7F8F4E ΔE 0.033
- Green Grey #77926F ΔE 0.035
- Moss #769958 ΔE 0.036
- Dark Sage #598556 ΔE 0.037
- Fern Green #548D44 ΔE 0.040
Use #66905D 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.