#42E278#42E278

#42E278 is a light, vivid green. Relative luminance 0.569; OKLCH L 80.7% C 0.197 H 150.2°. Best body text is #000000 at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#42E278
RGB	rgb(66, 226, 120)
HSL	hsl(140, 73%, 57%)
HSV	hsv(140, 71%, 89%)
CMYK	cmyk(70.8%, 0%, 46.9%, 11.4%)
CIE-LAB	lab(80.13, -63.51, 40.05)
CIE-LCH	lch(80.13, 75.09, 147.76°)
OKLab	oklab(80.72% -0.1709 0.0978)
OKLCH	oklch(80.72% 0.197 150.2)
XYZ	xyz(32.8306, 56.9033, 27.0189)
Luminance	0.5691 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E278 #E242AC

analogous

#5CE242 #42E278 #42E2C8

triadic

#42E278 #7842E2 #E27842

tetradic

#42E278 #425CE2 #E242AC #E2C842

square

#42E278 #425CE2 #E242AC #E2C842

split-complementary

#42E278 #C842E2 #E2425C

monochromatic

#179341 #1FC858 #42E278 #77EA9E #ACF2C4

Accessibility & contrast

On white

1.70

#42E278 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.38

#42E278 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E278

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E278	#FFFFFF	#000000	##000000
##42E278	1.00	1.70	12.38	12.38
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.38	21.00	1.00	1.00
##000000	12.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CF70

Deuteranopia (green-blind)

#D0C17F

Tritanopia (blue-blind)

#00DEC9

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #42e278;
/* rgb */ color: rgb(66, 226, 120);
/* oklch */ color: oklch(80.7% 0.197 150.2);

Tailwind

colors: {
  custom: {
    50: '#8beca0',
    500: '#42e278',
    950: '#000000',
  },
}

SCSS

$custom: #42e278;
$custom-light: #8beca0;
$custom-dark: #000000;

JSON

{
  "hex": "#42e278",
  "rgb": {
    "r": 66,
    "g": 226,
    "b": 120
  },
  "hsl": {
    "h": 140.25,
    "s": 73.394,
    "l": 57.255
  },
  "oklch": {
    "l": 0.80723,
    "c": 0.19695,
    "h": 150.2
  },
  "luminance": 0.56907
}

Semantic roles & 50–950 ramp

primary

#42E278

secondary

#983175

accent

#38B2F0

background

#FCFFFC

surface

#F4FEF5

border

#CED6CF

text

#0D160F

muted

#7F8580

Preview Lab

Preview with #42E278

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →