#4EC571
Closest named color: Dark Mint (#48C072). oklch(73.6% 0.161 150.2), rgb(78, 197, 113).
Aa
Black text reads best on this color (9.54:1).
About this color
#4EC571 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.161 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.016 away. Black text reads best on it, at 9.54:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.54:1 |
| White text | 2.19:1 |
Values
| HEX | #4EC571 |
| RGB | rgb(78, 197, 113) |
| HSL | hsl(138, 51%, 54%) |
| OKLCH | oklch(73.6% 0.161 150.2) |
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 #4EC571 | 2.19:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #4EC571 | 9.54:1 | AAA | Lc 61.0 | Content text, not long reading |
| #4EC571 text on white | 2.19:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #4EC571 text on black | 9.54:1 | AAA | Lc -59.2 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DDF0E0
oklch(93.7% 0.029 150.1)
-
Step 200
200
#C0E4C6
oklch(88.5% 0.056 149.9)
-
Step 300
300
#90D39E
oklch(80.8% 0.101 150.2)
-
Step 400
400 (this color)
#4EC571
oklch(73.6% 0.161 150.2)
-
Step 500
500
#00A54C
oklch(63.1% 0.173 150.1)
-
Step 600
600
#008B3F
oklch(55.7% 0.153 150.2)
-
Step 700
700
#007534
oklch(49.2% 0.135 150.2)
-
Step 800
800
#006029
oklch(42.7% 0.118 150)
-
Step 900
900
#005021
oklch(37.7% 0.104 150)
-
Step 950
950
#003011
oklch(27% 0.074 150)
#4EC571 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) | #C6B56B | 0.134 |
| Deuteranopia (no green cones) | #B7AB77 | 0.132 |
| Tritanopia (no blue cones) | #2AC2B0 | 0.088 |
| Achromatopsia (no color) | #AFAFAF | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EC571
#4EC571
oklch(73.6% 0.161 150.2)
- #E181D9
#E181D9
oklch(73.6% 0.161 330.1)
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 #4EC571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.016
- Algae Green #21C36F ΔE 0.023
- Dark Mint Green #20C073 ΔE 0.028
- Soft Green #6FC276 ΔE 0.029
- Seaweed #18D17B ΔE 0.034
- Greenblue #23C48B ΔE 0.036
- Cool Green #33B864 ΔE 0.044
- Turtle Green #75B84F ΔE 0.046
Use #4EC571 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.