#4EE278
Closest named color: Weird Green (#3AE57F). oklch(81% 0.193 149.2), rgb(78, 226, 120).
Aa
Black text reads best on this color (12.47:1).
About this color
#4EE278 is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.193 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Weird Green (#3AE57F), ΔE 0.011 away. Black text reads best on it, at 12.47:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.193) |
| Temperature | in between |
| Nearest name | Weird Green (#3AE57F) |
| Black text | 12.47:1 |
| White text | 1.68:1 |
Values
| HEX | #4EE278 |
| RGB | rgb(78, 226, 120) |
| HSL | hsl(137, 72%, 60%) |
| OKLCH | oklch(81% 0.193 149.2) |
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 #4EE278 | 1.68:1 | Fails | Lc -33.1 | Non-text elements, placeholder text |
| Black text on #4EE278 | 12.47:1 | AAA | Lc 74.4 | Content text, not long reading |
| #4EE278 text on white | 1.68:1 | Fails | Lc 29.4 | Dividers and decoration only |
| #4EE278 text on black | 12.47:1 | AAA | Lc -73.4 | Content text, not long reading |
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 300.
-
Step 50
50
#EAFBEC
oklch(97.1% 0.027 148.8)
-
Step 100
100
#D1F5D6
oklch(93.6% 0.056 149.1)
-
Step 200
200
#A6EDB3
oklch(88.4% 0.107 149.5)
-
Step 300
300 (this color)
#4EE278
oklch(81% 0.193 149.2)
-
Step 400
400
#00C155
oklch(70.8% 0.199 149.2)
-
Step 500
500
#00A548
oklch(63% 0.177 149.3)
-
Step 600
600
#008B3B
oklch(55.6% 0.156 149.2)
-
Step 700
700
#007531
oklch(49.1% 0.138 149.3)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#00501F
oklch(37.7% 0.106 149.2)
-
Step 950
950
#003010
oklch(27% 0.075 149.4)
#4EE278 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) | #E4CF70 | 0.158 |
| Deuteranopia (no green cones) | #D1C27F | 0.155 |
| Tritanopia (no blue cones) | #0CDEC9 | 0.108 |
| Achromatopsia (no color) | #C7C7C7 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EE278
#4EE278
oklch(81% 0.193 149.2)
- #FF93F9
#FF93F9
oklch(81% 0.179 329.1)
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 #4EE278, closest first.
No curated palette has a color within ΔE 0.04 of #4EE278.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Weird Green #3AE57F ΔE 0.011
- Aqua Green #12E193 ΔE 0.035
- Fresh Green #69D84F ΔE 0.040
- Turquoise Green #04F489 ΔE 0.047
- Seaweed #18D17B ΔE 0.057
- Minty Green #0BF77D ΔE 0.057
- Toxic Green #61DE2A ΔE 0.059
- Wintergreen #20F986 ΔE 0.060
Use #4EE278 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.