#4EB66F
Closest named color: Medium Sea Green (#3CB371). oklch(69.7% 0.142 151.4), rgb(78, 182, 111).
Aa
Black text reads best on this color (8.24:1).
About this color
#4EB66F is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.142 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.016 away. Black text reads best on it, at 8.24:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 8.24:1 |
| White text | 2.54:1 |
Values
| HEX | #4EB66F |
| RGB | rgb(78, 182, 111) |
| HSL | hsl(139, 42%, 51%) |
| OKLCH | oklch(69.7% 0.142 151.4) |
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 #4EB66F | 2.54:1 | Fails | Lc -54.7 | Large or bold text, headings |
| Black text on #4EB66F | 8.24:1 | AAA | Lc 54.4 | Large or bold text, headings |
| #4EB66F text on white | 2.54:1 | Fails | Lc 49.6 | Large or bold text, headings |
| #4EB66F text on black | 8.24:1 | AAA | Lc -52.3 | 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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DEEFE1
oklch(93.6% 0.026 150.8)
-
Step 200
200
#C2E3C9
oklch(88.5% 0.05 151.5)
-
Step 300
300
#96D1A4
oklch(80.8% 0.088 151.4)
-
Step 400
400 (this color)
#4EB66F
oklch(69.7% 0.142 151.4)
-
Step 500
500
#00A551
oklch(63.2% 0.169 151.3)
-
Step 600
600
#008B43
oklch(55.7% 0.149 151.3)
-
Step 700
700
#007538
oklch(49.2% 0.131 151.5)
-
Step 800
800
#00602C
oklch(42.8% 0.115 151.2)
-
Step 900
900
#005024
oklch(37.7% 0.101 151.4)
-
Step 950
950
#003013
oklch(27.1% 0.072 151.4)
#4EB66F 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) | #B7A86A | 0.121 |
| Deuteranopia (no green cones) | #A99E74 | 0.120 |
| Tritanopia (no blue cones) | #32B3A4 | 0.076 |
| Achromatopsia (no color) | #A2A2A2 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EB66F
#4EB66F
oklch(69.7% 0.142 151.4)
- #CF7AC5
#CF7AC5
oklch(69.6% 0.142 331.4)
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 #4EB66F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.016
- Boring Green #63B365 ΔE 0.018
- Cool Green #33B864 ΔE 0.024
- Dark Seafoam #1FB57A ΔE 0.026
- Algae #54AC68 ΔE 0.027
- Dark Seafoam Green #3EAF76 ΔE 0.028
- Dark Mint #48C072 ΔE 0.028
- Green Teal #0CB577 ΔE 0.028
Use #4EB66F 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.