#66A24C
Closest named color: Off Green (#6BA353). oklch(65.1% 0.134 137.1), rgb(102, 162, 76).
Aa
Black text reads best on this color (6.83:1).
About this color
#66A24C is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.134 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Off Green (#6BA353), ΔE 0.010 away. Black text reads best on it, at 6.83:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Off Green (#6BA353) |
| Black text | 6.83:1 |
| White text | 3.07:1 |
Values
| HEX | #66A24C |
| RGB | rgb(102, 162, 76) |
| HSL | hsl(102, 36%, 47%) |
| OKLCH | oklch(65.1% 0.134 137.1) |
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 #66A24C | 3.07:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #66A24C | 6.83:1 | AA | Lc 46.6 | Large or bold text, headings |
| #66A24C text on white | 3.07:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #66A24C text on black | 6.83:1 | AA | Lc -44.3 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CEDFC8
oklch(88.5% 0.036 137.5)
-
Step 300
300
#ADCBA1
oklch(80.9% 0.066 136.8)
-
Step 400
400
#81B06E
oklch(70.7% 0.105 137)
-
Step 500
500 (this color)
#66A24C
oklch(65.1% 0.134 137.1)
-
Step 600
600
#458624
oklch(55.6% 0.147 137.1)
-
Step 700
700
#367116
oklch(49% 0.136 137.2)
-
Step 800
800
#2E5C16
oklch(42.6% 0.112 137)
-
Step 900
900
#294C19
oklch(37.7% 0.088 137.1)
-
Step 950
950
#192D10
oklch(27.2% 0.056 136.9)
#66A24C 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) | #A79644 | 0.088 |
| Deuteranopia (no green cones) | #9E9152 | 0.087 |
| Tritanopia (no blue cones) | #649D8E | 0.093 |
| Achromatopsia (no color) | #939393 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66A24C
#66A24C
oklch(65.1% 0.134 137.1)
- #B074C5
#B074C5
oklch(65.1% 0.133 317)
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 #66A24C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Green #6BA353 ΔE 0.010
- Muted Green #5FA052 ΔE 0.012
- Flat Green #699D4C ΔE 0.015
- Fern #63A950 ΔE 0.019
- Mid Green #50A747 ΔE 0.026
- Dull Green #74A662 ΔE 0.033
- Dark Pastel Green #56AE57 ΔE 0.033
- Asparagus #77AB56 ΔE 0.035
Use #66A24C 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.