#4CB10C
Closest named color: Leaf Green (#5CA904). oklch(67.3% 0.204 137.8), rgb(76, 177, 12).
Aa
Black text reads best on this color (7.60:1).
About this color
#4CB10C is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.204 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.024 away. Black text reads best on it, at 7.60:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.204) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 7.60:1 |
| White text | 2.76:1 |
Values
| HEX | #4CB10C |
| RGB | rgb(76, 177, 12) |
| HSL | hsl(97, 87%, 37%) |
| OKLCH | oklch(67.3% 0.204 137.8) |
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 #4CB10C | 2.76:1 | Fails | Lc -58.1 | Large or bold text, headings |
| Black text on #4CB10C | 7.60:1 | AAA | Lc 51.1 | Large or bold text, headings |
| #4CB10C text on white | 2.76:1 | Fails | Lc 52.9 | Large or bold text, headings |
| #4CB10C text on black | 7.60:1 | AAA | Lc -49.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#F0F8ED
oklch(97% 0.017 137)
-
Step 100
100
#DEF0D8
oklch(93.5% 0.037 137.8)
-
Step 200
200
#C3E5B7
oklch(88.5% 0.071 137.6)
-
Step 300
300
#97D482
oklch(80.9% 0.127 138)
-
Step 400
400 (this color)
#4CB10C
oklch(67.3% 0.204 137.8)
-
Step 500
500
#43A200
oklch(63% 0.194 137.8)
-
Step 600
600
#378900
oklch(55.7% 0.172 137.9)
-
Step 700
700
#2D7300
oklch(49.1% 0.151 137.9)
-
Step 800
800
#245E00
oklch(42.6% 0.131 137.7)
-
Step 900
900
#1D4F00
oklch(37.8% 0.116 137.7)
-
Step 950
950
#0E2F00
oklch(27% 0.083 137.8)
#4CB10C 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) | #B7A100 | 0.131 |
| Deuteranopia (no green cones) | #AA9828 | 0.130 |
| Tritanopia (no blue cones) | #43AA96 | 0.143 |
| Achromatopsia (no color) | #9B9B9B | 0.204 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4CB10C
#4CB10C
oklch(67.3% 0.204 137.8)
- #C865E6
#C865E6
oklch(67.4% 0.204 317.8)
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 #4CB10C, closest first.
No curated palette has a color within ΔE 0.04 of #4CB10C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.024
- Grass #5CAC2D ΔE 0.027
- Leafy Green #51B73B ΔE 0.028
- Frog Green #58BC08 ΔE 0.034
- Kelly Green #02AB2E ΔE 0.039
- Shamrock #01B44C ΔE 0.040
- Medium Green #39AD48 ΔE 0.040
- Leaf #71AA34 ΔE 0.048
Use #4CB10C 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.