#4CB371
Closest named color: Medium Sea Green (#3CB371). oklch(68.9% 0.137 152.8), rgb(76, 179, 113).
Aa
Black text reads best on this color (7.99:1).
About this color
#4CB371 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.137 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.010 away. Black text reads best on it, at 7.99:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 7.99:1 |
| White text | 2.62:1 |
Values
| HEX | #4CB371 |
| RGB | rgb(76, 179, 113) |
| HSL | hsl(142, 40%, 50%) |
| OKLCH | oklch(68.9% 0.137 152.8) |
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 #4CB371 | 2.62:1 | Fails | Lc -56.1 | Large or bold text, headings |
| Black text on #4CB371 | 7.99:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #4CB371 text on white | 2.62:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #4CB371 text on black | 7.99:1 | AAA | Lc -51.0 | 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
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DEEFE2
oklch(93.6% 0.025 152.9)
-
Step 200
200
#C2E3CA
oklch(88.5% 0.049 152.6)
-
Step 300
300
#96D1A6
oklch(80.9% 0.086 152.6)
-
Step 400
400 (this color)
#4CB371
oklch(68.9% 0.137 152.8)
-
Step 500
500
#00A456
oklch(63% 0.163 152.8)
-
Step 600
600
#008A48
oklch(55.5% 0.143 153)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#003015
oklch(27.1% 0.07 152.9)
#4CB371 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) | #B3A66D | 0.118 |
| Deuteranopia (no green cones) | #A59C75 | 0.116 |
| Tritanopia (no blue cones) | #2DB1A2 | 0.070 |
| Achromatopsia (no color) | #A0A0A0 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4CB371
#4CB371
oklch(68.9% 0.137 152.8)
- #CC79BF
#CC79BF
oklch(68.9% 0.136 332.9)
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 #4CB371, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.010
- Dark Seafoam Green #3EAF76 ΔE 0.018
- Algae #54AC68 ΔE 0.019
- Boring Green #63B365 ΔE 0.021
- Dark Seafoam #1FB57A ΔE 0.022
- Bluey Green #2BB179 ΔE 0.022
- Green Teal #0CB577 ΔE 0.025
- Seaweed Green #35AD6B ΔE 0.025
Use #4CB371 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.