#42E46A
Closest named color: Weird Green (#3AE57F). oklch(81% 0.211 147.6), rgb(66, 228, 106).
Aa
Black text reads best on this color (12.53:1).
About this color
#42E46A is a light, vivid green. In OKLCH its lightness is 81%, its chroma 0.211 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Weird Green (#3AE57F), ΔE 0.022 away. Black text reads best on it, at 12.53:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | vivid (0.211) |
| Temperature | in between |
| Nearest name | Weird Green (#3AE57F) |
| Black text | 12.53:1 |
| White text | 1.67:1 |
Values
| HEX | #42E46A |
| RGB | rgb(66, 228, 106) |
| HSL | hsl(135, 75%, 58%) |
| OKLCH | oklch(81% 0.211 147.6) |
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 #42E46A | 1.67:1 | Fails | Lc -32.8 | Non-text elements, placeholder text |
| Black text on #42E46A | 12.53:1 | AAA | Lc 74.7 | Content text, not long reading |
| #42E46A text on white | 1.67:1 | Fails | Lc 29.1 | Dividers and decoration only |
| #42E46A text on black | 12.53:1 | AAA | Lc -73.8 | 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
#EAFBEB
oklch(97.1% 0.028 147)
-
Step 100
100
#D0F6D3
oklch(93.7% 0.061 147.2)
-
Step 200
200
#A3EFAC
oklch(88.5% 0.119 147.4)
-
Step 300
300 (this color)
#42E46A
oklch(81% 0.211 147.6)
-
Step 400
400
#00C14B
oklch(70.7% 0.207 147.6)
-
Step 500
500
#00A63F
oklch(63.2% 0.185 147.5)
-
Step 600
600
#008B34
oklch(55.5% 0.162 147.6)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#00501A
oklch(37.6% 0.11 147.5)
-
Step 950
950
#00300D
oklch(27% 0.078 147.8)
#42E46A 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) | #E7D05F | 0.167 |
| Deuteranopia (no green cones) | #D3C373 | 0.164 |
| Tritanopia (no blue cones) | #00DFC8 | 0.123 |
| Achromatopsia (no color) | #C8C8C8 | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42E46A
#42E46A
oklch(81% 0.211 147.6)
- #FF91FE
#FF91FE
oklch(81% 0.187 327.5)
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 #42E46A, closest first.
No curated palette has a color within ΔE 0.04 of #42E46A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Weird Green #3AE57F ΔE 0.022
- Fresh Green #69D84F ΔE 0.036
- Toxic Green #61DE2A ΔE 0.044
- Turquoise Green #04F489 ΔE 0.045
- Green Apple #5EDC1F ΔE 0.048
- Minty Green #0BF77D ΔE 0.049
- Aqua Green #12E193 ΔE 0.050
- Spearmint #1EF876 ΔE 0.052
Use #42E46A 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.