#4EB137
Closest named color: Grass (#5CAC2D). oklch(67.6% 0.184 140.2), rgb(78, 177, 55).
Aa
Black text reads best on this color (7.66:1).
About this color
#4EB137 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.184 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.016 away. Black text reads best on it, at 7.66:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.66:1 |
| White text | 2.73:1 |
Values
| HEX | #4EB137 |
| RGB | rgb(78, 177, 55) |
| HSL | hsl(109, 53%, 45%) |
| OKLCH | oklch(67.6% 0.184 140.2) |
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 #4EB137 | 2.73:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #4EB137 | 7.66:1 | AAA | Lc 51.4 | Large or bold text, headings |
| #4EB137 text on white | 2.73:1 | Fails | Lc 52.6 | Large or bold text, headings |
| #4EB137 text on black | 7.66:1 | AAA | Lc -49.2 | 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
#DFF0DB
oklch(93.7% 0.033 139.7)
-
Step 200
200
#C3E4BC
oklch(88.4% 0.064 140.2)
-
Step 300
300
#98D38C
oklch(80.9% 0.115 140.3)
-
Step 400
400 (this color)
#4EB137
oklch(67.6% 0.184 140.2)
-
Step 500
500
#2FA500
oklch(63.2% 0.204 140.2)
-
Step 600
600
#268B00
oklch(55.7% 0.18 140.3)
-
Step 700
700
#1F7500
oklch(49.2% 0.159 140.2)
-
Step 800
800
#186000
oklch(42.8% 0.138 140.2)
-
Step 900
900
#125000
oklch(37.7% 0.122 140.2)
-
Step 950
950
#073000
oklch(27% 0.088 140.4)
#4EB137 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) | #B6A125 | 0.125 |
| Deuteranopia (no green cones) | #A99942 | 0.125 |
| Tritanopia (no blue cones) | #42AB98 | 0.123 |
| Achromatopsia (no color) | #9C9C9C | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EB137
#4EB137
oklch(67.6% 0.184 140.2)
- #C86BDC
#C86BDC
oklch(67.6% 0.185 320.3)
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 #4EB137, closest first.
No curated palette has a color within ΔE 0.04 of #4EB137.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.016
- Leafy Green #51B73B ΔE 0.017
- Medium Green #39AD48 ΔE 0.024
- Leaf Green #5CA904 ΔE 0.026
- Shamrock #01B44C ΔE 0.029
- Leaf #71AA34 ΔE 0.035
- Mid Green #50A747 ΔE 0.036
- Dark Pastel Green #56AE57 ΔE 0.036
Use #4EB137 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.