#4EB42B
Closest named color: Leafy Green (#51B73B). oklch(68.3% 0.195 139.2), rgb(78, 180, 43).
Aa
Black text reads best on this color (7.88:1).
About this color
#4EB42B is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.195 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leafy Green (#51B73B), ΔE 0.013 away. Black text reads best on it, at 7.88:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.195) |
| Temperature | in between |
| Nearest name | Leafy Green (#51B73B) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #4EB42B |
| RGB | rgb(78, 180, 43) |
| HSL | hsl(105, 61%, 44%) |
| OKLCH | oklch(68.3% 0.195 139.2) |
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 #4EB42B | 2.66:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #4EB42B | 7.88:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #4EB42B text on white | 2.66:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #4EB42B text on black | 7.88:1 | AAA | Lc -50.5 | 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
#F0F8EE
oklch(97% 0.016 139.4)
-
Step 100
100
#DEF0DA
oklch(93.6% 0.035 140)
-
Step 200
200
#C3E5BA
oklch(88.6% 0.068 139.2)
-
Step 300
300
#97D487
oklch(81% 0.122 139.3)
-
Step 400
400 (this color)
#4EB42B
oklch(68.3% 0.195 139.2)
-
Step 500
500
#39A400
oklch(63.2% 0.2 139.2)
-
Step 600
600
#2E8A00
oklch(55.7% 0.176 139.3)
-
Step 700
700
#267400
oklch(49.1% 0.155 139.2)
-
Step 800
800
#1D5F00
oklch(42.7% 0.135 139.3)
-
Step 900
900
#174F00
oklch(37.6% 0.119 139.2)
-
Step 950
950
#0A2F00
oklch(26.8% 0.085 139.3)
#4EB42B 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) | #B9A40A | 0.127 |
| Deuteranopia (no green cones) | #AD9B3A | 0.130 |
| Tritanopia (no blue cones) | #43AE9A | 0.133 |
| Achromatopsia (no color) | #9F9F9F | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EB42B
#4EB42B
oklch(68.3% 0.195 139.2)
- #CB6AE4
#CB6AE4
oklch(68.3% 0.195 319.1)
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 #4EB42B, closest first.
No curated palette has a color within ΔE 0.04 of #4EB42B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leafy Green #51B73B ΔE 0.013
- Grass #5CAC2D ΔE 0.025
- Frog Green #58BC08 ΔE 0.030
- Leaf Green #5CA904 ΔE 0.030
- Shamrock #01B44C ΔE 0.034
- Medium Green #39AD48 ΔE 0.036
- Shamrock Green #02C14D ΔE 0.040
- Leaf #71AA34 ΔE 0.043
Use #4EB42B 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.