#66A264
Closest named color: Dull Green (#74A662). oklch(65.5% 0.11 143.5), rgb(102, 162, 100).
Aa
Black text reads best on this color (6.91:1).
About this color
#66A264 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.110 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dull Green (#74A662), ΔE 0.021 away. Black text reads best on it, at 6.91:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Dull Green (#74A662) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #66A264 |
| RGB | rgb(102, 162, 100) |
| HSL | hsl(118, 25%, 51%) |
| OKLCH | oklch(65.5% 0.11 143.5) |
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 #66A264 | 3.03:1 | AA large text | Lc -62.4 | Content text, not long reading |
| Black text on #66A264 | 6.91:1 | AA | Lc 47.0 | Large or bold text, headings |
| #66A264 text on white | 3.03:1 | AA large text | Lc 57.0 | Large or bold text, headings |
| #66A264 text on black | 6.91:1 | AA | Lc -44.7 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CEDFCD
oklch(88.6% 0.03 143.8)
-
Step 300
300
#ADCAAB
oklch(80.9% 0.053 143.3)
-
Step 400
400
#80AF7E
oklch(70.7% 0.086 143.6)
-
Step 500
500 (this color)
#66A264
oklch(65.5% 0.11 143.5)
-
Step 600
600
#448543
oklch(55.7% 0.119 143.5)
-
Step 700
700
#357034
oklch(49% 0.11 143.4)
-
Step 800
800
#2C5C2C
oklch(42.8% 0.093 143.7)
-
Step 900
900
#294B28
oklch(37.7% 0.07 143.4)
-
Step 950
950
#182C18
oklch(27% 0.045 144.2)
#66A264 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) | #A59860 | 0.083 |
| Deuteranopia (no green cones) | #9C9268 | 0.082 |
| Tritanopia (no blue cones) | #609F92 | 0.068 |
| Achromatopsia (no color) | #949494 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66A264
#66A264
oklch(65.5% 0.11 143.5)
- #B179B7
#B179B7
oklch(65.5% 0.109 323.3)
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 #66A264, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Green #74A662 ΔE 0.021
- Off Green #6BA353 ΔE 0.021
- Muted Green #5FA052 ΔE 0.024
- Flat Green #699D4C ΔE 0.027
- Moss #769958 ΔE 0.028
- Algae #54AC68 ΔE 0.030
- Dusty Green #76A973 ΔE 0.033
- Tea #65AB7C ΔE 0.034
Use #66A264 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.