#42C866#42C866

#42C866 is a light, vivid green. Relative luminance 0.434; OKLCH L 73.8% C 0.180 H 148.7°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#42C866
RGB	rgb(66, 200, 102)
HSL	hsl(136, 55%, 52%)
HSV	hsv(136, 67%, 78%)
CMYK	cmyk(67%, 0%, 49%, 21.6%)
CIE-LAB	lab(71.84, -57.00, 38.49)
CIE-LCH	lch(71.84, 68.78, 145.97°)
OKLab	oklab(73.8% -0.1536 0.0935)
OKLCH	oklch(73.8% 0.18 148.7)
XYZ	xyz(25.2974, 43.4234, 19.6162)
Luminance	0.4343 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C866 #C842A4

analogous

#61C842 #42C866 #42C8A9

triadic

#42C866 #6642C8 #C86642

tetradic

#42C866 #4261C8 #C842A4 #C8A942

square

#42C866 #4261C8 #C842A4 #C8A942

split-complementary

#42C866 #A942C8 #C84261

monochromatic

#206F36 #2E9F4C #42C866 #71D68C #A1E4B3

Accessibility & contrast

On white

2.17

#42C866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#42C866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C866

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C866	#FFFFFF	#000000	##000000
##42C866	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB75E

Deuteranopia (green-blind)

#B9AC6D

Tritanopia (blue-blind)

#01C4B1

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42c866;
/* rgb */ color: rgb(66, 200, 102);
/* oklch */ color: oklch(73.8% 0.180 148.7);

Tailwind

colors: {
  custom: {
    50: '#86da93',
    500: '#42c866',
    950: '#000000',
  },
}

SCSS

$custom: #42c866;
$custom-light: #86da93;
$custom-dark: #000000;

JSON

{
  "hex": "#42c866",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 102
  },
  "hsl": {
    "h": 136.119,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.73803,
    "c": 0.17987,
    "h": 148.7
  },
  "luminance": 0.43426
}

Semantic roles & 50–950 ramp

primary

#42C866

secondary

#D096C0

accent

#4AB6DE

background

#F8FDF9

surface

#F0FBF1

border

#CBD4CB

text

#0C150D

muted

#7D837E

Preview Lab

Preview with #42C866

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

Preview Lab → · Contrast checker → · Palette generator →