#4EB20B
Closest named color: Leafy Green (#51B73B). oklch(67.7% 0.204 137.5), rgb(78, 178, 11).
Aa
Black text reads best on this color (7.69:1).
About this color
#4EB20B is a medium-light, vivid green. In OKLCH its lightness is 68%, 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 Leafy Green (#51B73B), ΔE 0.026 away. Black text reads best on it, at 7.69:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.204) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #4EB20B |
| RGB | rgb(78, 178, 11) |
| HSL | hsl(96, 88%, 37%) |
| OKLCH | oklch(67.7% 0.204 137.5) |
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 #4EB20B | 2.72:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #4EB20B | 7.69:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #4EB20B text on white | 2.72:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #4EB20B text on black | 7.69:1 | AAA | Lc -49.5 | 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
#98D481
oklch(80.9% 0.128 137.4)
-
Step 400
400 (this color)
#4EB20B
oklch(67.7% 0.204 137.5)
-
Step 500
500
#45A200
oklch(63% 0.193 137.5)
-
Step 600
600
#398800
oklch(55.5% 0.17 137.5)
-
Step 700
700
#2F7300
oklch(49.2% 0.15 137.5)
-
Step 800
800
#255E00
oklch(42.7% 0.13 137.5)
-
Step 900
900
#1D4F00
oklch(37.8% 0.116 137.7)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#4EB20B 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) | #B8A200 | 0.131 |
| Deuteranopia (no green cones) | #AC9A28 | 0.129 |
| Tritanopia (no blue cones) | #46AB97 | 0.144 |
| Achromatopsia (no color) | #9D9D9D | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EB20B
#4EB20B
oklch(67.7% 0.204 137.5)
- #C966E8
#C966E8
oklch(67.7% 0.205 317.5)
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 #4EB20B, closest first.
No curated palette has a color within ΔE 0.04 of #4EB20B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.026
- Leaf Green #5CA904 ΔE 0.026
- Grass #5CAC2D ΔE 0.028
- Frog Green #58BC08 ΔE 0.031
- Shamrock #01B44C ΔE 0.041
- Kelly Green #02AB2E ΔE 0.042
- Medium Green #39AD48 ΔE 0.042
- Shamrock Green #02C14D ΔE 0.048
Use #4EB20B 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.