#42CB63#42CB63

#42CB63 is a light, vivid green. Relative luminance 0.448; OKLCH L 74.5% C 0.186 H 147.8°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#42CB63
RGB	rgb(66, 203, 99)
HSL	hsl(134, 57%, 53%)
HSV	hsv(134, 67%, 80%)
CMYK	cmyk(67.5%, 0%, 51.2%, 20.4%)
CIE-LAB	lab(72.74, -58.53, 41.08)
CIE-LCH	lch(72.74, 71.51, 144.94°)
OKLab	oklab(74.53% -0.1578 0.0992)
OKLCH	oklch(74.53% 0.186 147.8)
XYZ	xyz(25.8529, 44.7682, 19.0806)
Luminance	0.4477 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CB63 #CB42AA

analogous

#65CB42 #42CB63 #42CBA8

triadic

#42CB63 #6342CB #CB6342

tetradic

#42CB63 #4265CB #CB42AA #CBA842

square

#42CB63 #4265CB #CB42AA #CBA842

split-complementary

#42CB63 #A842CB #CB4265

monochromatic

#207334 #2DA349 #42CB63 #72D88B #A2E5B2

Accessibility & contrast

On white

2.11

#42CB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#42CB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CB63

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CB63	#FFFFFF	#000000	##000000
##42CB63	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDBA5A

Deuteranopia (green-blind)

#BCAE6B

Tritanopia (blue-blind)

#01C7B3

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42cb63;
/* rgb */ color: rgb(66, 203, 99);
/* oklch */ color: oklch(74.5% 0.186 147.8);

Tailwind

colors: {
  custom: {
    50: '#87dc91',
    500: '#42cb63',
    950: '#000000',
  },
}

SCSS

$custom: #42cb63;
$custom-light: #87dc91;
$custom-dark: #000000;

JSON

{
  "hex": "#42cb63",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 99
  },
  "hsl": {
    "h": 134.453,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.74531,
    "c": 0.18637,
    "h": 147.8
  },
  "luminance": 0.44771
}

Semantic roles & 50–950 ramp

primary

#42CB63

secondary

#D297C4

accent

#48BBE0

background

#F8FDF9

surface

#F0FBF1

border

#CBD4CB

text

#0D150D

muted

#7D837E

Preview Lab

Preview with #42CB63

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

Preview Lab → · Contrast checker → · Palette generator →