#4EB143
Closest named color: Grass (#5CAC2D). oklch(67.7% 0.175 141.7), rgb(78, 177, 67).
Aa
Black text reads best on this color (7.69:1).
About this color
#4EB143 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.175 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.019 away. Black text reads best on it, at 7.69:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #4EB143 |
| RGB | rgb(78, 177, 67) |
| HSL | hsl(114, 45%, 48%) |
| OKLCH | oklch(67.7% 0.175 141.7) |
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 #4EB143 | 2.72:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #4EB143 | 7.69:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #4EB143 text on white | 2.72:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #4EB143 text on black | 7.69:1 | AAA | Lc -49.4 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DFF0DC
oklch(93.7% 0.032 141)
-
Step 200
200
#C3E4BF
oklch(88.5% 0.061 142.1)
-
Step 300
300
#98D390
oklch(81% 0.11 141.6)
-
Step 400
400 (this color)
#4EB143
oklch(67.7% 0.175 141.7)
-
Step 500
500
#1AA600
oklch(63.1% 0.211 141.7)
-
Step 600
600
#148C00
oklch(55.7% 0.186 141.7)
-
Step 700
700
#0F7600
oklch(49.2% 0.164 141.7)
-
Step 800
800
#0B6100
oklch(42.8% 0.143 141.7)
-
Step 900
900
#075100
oklch(37.8% 0.126 141.7)
-
Step 950
950
#033000
oklch(26.9% 0.09 141.6)
#4EB143 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) | #B5A237 | 0.123 |
| Deuteranopia (no green cones) | #A8994C | 0.123 |
| Tritanopia (no blue cones) | #40AC9A | 0.114 |
| Achromatopsia (no color) | #9C9C9C | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EB143
#4EB143
oklch(67.7% 0.175 141.7)
- #C86ED7
#C86ED7
oklch(67.8% 0.175 321.7)
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 #4EB143, closest first.
No curated palette has a color within ΔE 0.04 of #4EB143.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.019
- Medium Green #39AD48 ΔE 0.020
- Leafy Green #51B73B ΔE 0.020
- Dark Pastel Green #56AE57 ΔE 0.026
- Shamrock #01B44C ΔE 0.028
- Mid Green #50A747 ΔE 0.030
- Leaf #71AA34 ΔE 0.033
- Leaf Green #5CA904 ΔE 0.033
Use #4EB143 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.