#42C666#42C666

#42C666 is a light, vivid green. Relative luminance 0.425; OKLCH L 73.3% C 0.177 H 148.8°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#42C666
RGB	rgb(66, 198, 102)
HSL	hsl(136, 54%, 52%)
HSV	hsv(136, 67%, 78%)
CMYK	cmyk(66.7%, 0%, 48.5%, 22.4%)
CIE-LAB	lab(71.22, -56.27, 37.71)
CIE-LCH	lch(71.22, 67.74, 146.17°)
OKLab	oklab(73.29% -0.1517 0.0918)
OKLCH	oklch(73.29% 0.177 148.8)
XYZ	xyz(24.8373, 42.5031, 19.4628)
Luminance	0.4251 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C666 #C642A2

analogous

#60C642 #42C666 #42C6A8

triadic

#42C666 #6642C6 #C66642

tetradic

#42C666 #4260C6 #C642A2 #C6A842

square

#42C666 #4260C6 #C642A2 #C6A842

split-complementary

#42C666 #A842C6 #C64260

monochromatic

#216D36 #2F9C4D #42C666 #71D48C #A0E2B2

Accessibility & contrast

On white

2.21

#42C666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#42C666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C666

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C666	#FFFFFF	#000000	##000000
##42C666	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B55E

Deuteranopia (green-blind)

#B7AA6D

Tritanopia (blue-blind)

#04C2AF

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #42c666;
/* rgb */ color: rgb(66, 198, 102);
/* oklch */ color: oklch(73.3% 0.177 148.8);

Tailwind

colors: {
  custom: {
    50: '#86d893',
    500: '#42c666',
    950: '#000000',
  },
}

SCSS

$custom: #42c666;
$custom-light: #86d893;
$custom-dark: #000000;

JSON

{
  "hex": "#42c666",
  "rgb": {
    "r": 66,
    "g": 198,
    "b": 102
  },
  "hsl": {
    "h": 136.364,
    "s": 53.659,
    "l": 51.765
  },
  "oklch": {
    "l": 0.73287,
    "c": 0.17728,
    "h": 148.8
  },
  "luminance": 0.42506
}

Semantic roles & 50–950 ramp

primary

#42C666

secondary

#CF95BF

accent

#4BB5DD

background

#F8FDF9

surface

#F0FAF1

border

#CBD3CB

text

#0C150D

muted

#7D837E

Preview Lab

Preview with #42C666

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

Preview Lab → · Contrast checker → · Palette generator →