#42CB4E#42CB4E

#42CB4E is a light, highly saturated green. Relative luminance 0.444; OKLCH L 74.3% C 0.204 H 144.5°. Best body text is #000000 at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#42CB4E
RGB	rgb(66, 203, 78)
HSL	hsl(125, 57%, 53%)
HSV	hsv(125, 67%, 80%)
CMYK	cmyk(67.5%, 0%, 61.6%, 20.4%)
CIE-LAB	lab(72.51, -61.24, 50.55)
CIE-LCH	lch(72.51, 79.41, 140.46°)
OKLab	oklab(74.26% -0.1657 0.1183)
OKLCH	oklch(74.26% 0.204 144.5)
XYZ	xyz(24.9763, 44.4175, 14.4634)
Luminance	0.4442 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CB4E #CB42BF

analogous

#7BCB42 #42CB4E #42CB92

triadic

#42CB4E #4E42CB #CB4E42

tetradic

#42CB4E #427BCB #CB42BF #CB9242

square

#42CB4E #427BCB #CB42BF #CB9242

split-complementary

#42CB4E #9242CB #CB427B

monochromatic

#207327 #2DA337 #42CB4E #72D87B #A2E5A8

Accessibility & contrast

On white

2.12

#42CB4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.88

#42CB4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CB4E

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CB4E	#FFFFFF	#000000	##000000
##42CB4E	1.00	2.12	9.88	9.88
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.88	21.00	1.00	1.00
##000000	9.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB940

Deuteranopia (green-blind)

#BEAD59

Tritanopia (blue-blind)

#18C6B0

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42cb4e;
/* rgb */ color: rgb(66, 203, 78);
/* oklch */ color: oklch(74.3% 0.204 144.5);

Tailwind

colors: {
  custom: {
    50: '#88dc84',
    500: '#42cb4e',
    950: '#000000',
  },
}

SCSS

$custom: #42cb4e;
$custom-light: #88dc84;
$custom-dark: #000000;

JSON

{
  "hex": "#42cb4e",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 78
  },
  "hsl": {
    "h": 125.255,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.74264,
    "c": 0.20364,
    "h": 144.5
  },
  "luminance": 0.4442
}

Semantic roles & 50–950 ramp

primary

#42CB4E

secondary

#D297CD

accent

#48D3E0

background

#F9FDF8

surface

#F1FBEF

border

#CBD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #42CB4E

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

Preview Lab → · Contrast checker → · Palette generator →