#42E151#42E151

#42E151 is a light, highly saturated green. Relative luminance 0.556; OKLCH L 80.0% C 0.227 H 144.4°. Best body text is #000000 at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#42E151
RGB	rgb(66, 225, 81)
HSL	hsl(126, 73%, 57%)
HSV	hsv(126, 71%, 88%)
CMYK	cmyk(70.7%, 0%, 64%, 11.8%)
CIE-LAB	lab(79.39, -68.25, 56.98)
CIE-LCH	lch(79.39, 88.91, 140.14°)
OKLab	oklab(79.97% -0.1846 0.1323)
OKLCH	oklch(79.97% 0.227 144.4)
XYZ	xyz(30.6552, 55.5994, 16.8992)
Luminance	0.5560 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E151 #E142D2

analogous

#83E142 #42E151 #42E1A0

triadic

#42E151 #5142E1 #E15142

tetradic

#42E151 #4283E1 #E142D2 #E1A042

square

#42E151 #4283E1 #E142D2 #E1A042

split-complementary

#42E151 #A042E1 #E14283

monochromatic

#179223 #1FC62F #42E151 #77E982 #ACF2B2

Accessibility & contrast

On white

1.73

#42E151 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.12

#42E151 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E151

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E151	#FFFFFF	#000000	##000000
##42E151	1.00	1.73	12.12	12.12
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.12	21.00	1.00	1.00
##000000	12.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC3F

Deuteranopia (green-blind)

#D3C05E

Tritanopia (blue-blind)

#00DBC3

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #42e151;
/* rgb */ color: rgb(66, 225, 81);
/* oklch */ color: oklch(80.0% 0.227 144.4);

Tailwind

colors: {
  custom: {
    50: '#8cec87',
    500: '#42e151',
    950: '#000000',
  },
}

SCSS

$custom: #42e151;
$custom-light: #8cec87;
$custom-dark: #000000;

JSON

{
  "hex": "#42e151",
  "rgb": {
    "r": 66,
    "g": 225,
    "b": 81
  },
  "hsl": {
    "h": 125.66,
    "s": 72.603,
    "l": 57.059
  },
  "oklch": {
    "l": 0.79971,
    "c": 0.22714,
    "h": 144.4
  },
  "luminance": 0.55603
}

Semantic roles & 50–950 ramp

primary

#42E151

secondary

#96318D

accent

#38DEEF

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #42E151

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

Preview Lab → · Contrast checker → · Palette generator →