#4EC580
Closest named color: Dark Mint (#48C072). oklch(73.8% 0.147 154.8), rgb(78, 197, 128).
Aa
Black text reads best on this color (9.62:1).
About this color
#4EC580 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.147 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.021 away. Black text reads best on it, at 9.62:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.62:1 |
| White text | 2.18:1 |
Values
| HEX | #4EC580 |
| RGB | rgb(78, 197, 128) |
| HSL | hsl(145, 51%, 54%) |
| OKLCH | oklch(73.8% 0.147 154.8) |
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 #4EC580 | 2.18:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #4EC580 | 9.62:1 | AAA | Lc 61.3 | Content text, not long reading |
| #4EC580 text on white | 2.18:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #4EC580 text on black | 9.62:1 | AAA | Lc -59.6 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DDEFE2
oklch(93.5% 0.026 154.5)
-
Step 200
200
#C0E4CA
oklch(88.6% 0.052 153.9)
-
Step 300
300
#90D3A6
oklch(81% 0.093 154.4)
-
Step 400
400 (this color)
#4EC580
oklch(73.8% 0.147 154.8)
-
Step 500
500
#00A45D
oklch(63.1% 0.157 154.8)
-
Step 600
600
#008A4D
oklch(55.6% 0.138 154.7)
-
Step 700
700
#007440
oklch(49.1% 0.122 154.8)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#004F2A
oklch(37.6% 0.093 154.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#4EC580 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) | #C4B67C | 0.130 |
| Deuteranopia (no green cones) | #B5AB84 | 0.128 |
| Tritanopia (no blue cones) | #20C3B3 | 0.072 |
| Achromatopsia (no color) | #AFAFAF | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EC580
#4EC580
oklch(73.8% 0.147 154.8)
- #E284CF
#E284CF
oklch(73.8% 0.148 334.8)
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 #4EC580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.021
- Greenblue #23C48B ΔE 0.023
- Soft Green #6FC276 ΔE 0.025
- Dark Mint Green #20C073 ΔE 0.033
- Algae Green #21C36F ΔE 0.033
- Green Blue #01C08D ΔE 0.036
- Seaweed #18D17B ΔE 0.041
- Boring Green #63B365 ΔE 0.050
Use #4EC580 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.