#42CF3F#42CF3F

#42CF3F is a light, highly saturated green. Relative luminance 0.461; OKLCH L 75.2% C 0.219 H 142.7°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#42CF3F
RGB	rgb(66, 207, 63)
HSL	hsl(119, 60%, 53%)
HSV	hsv(119, 70%, 81%)
CMYK	cmyk(68.1%, 0%, 69.6%, 18.8%)
CIE-LAB	lab(73.64, -64.07, 57.95)
CIE-LCH	lch(73.64, 86.39, 137.87°)
OKLab	oklab(75.16% -0.1741 0.1324)
OKLCH	oklch(75.16% 0.219 142.7)
XYZ	xyz(25.4553, 46.1401, 12.2661)
Luminance	0.4614 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CF3F #CC3FCF

analogous

#8ACF3F #42CF3F #3FCF84

triadic

#42CF3F #3F42CF #CF3F42

tetradic

#42CF3F #3F8ACF #CC3FCF #CF843F

square

#42CF3F #3F8ACF #CC3FCF #CF843F

split-complementary

#42CF3F #843FCF #CF3F8A

monochromatic

#1F761E #2CA72A #42CF3F #72DB70 #A2E7A1

Accessibility & contrast

On white

2.05

#42CF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#42CF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CF3F

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CF3F	#FFFFFF	#000000	##000000
##42CF3F	1.00	2.05	10.23	10.23
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.23	21.00	1.00	1.00
##000000	10.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC29

Deuteranopia (green-blind)

#C3B14D

Tritanopia (blue-blind)

#1CC9B2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42cf3f;
/* rgb */ color: rgb(66, 207, 63);
/* oklch */ color: oklch(75.2% 0.219 142.7);

Tailwind

colors: {
  custom: {
    50: '#89df7c',
    500: '#42cf3f',
    950: '#000000',
  },
}

SCSS

$custom: #42cf3f;
$custom-light: #89df7c;
$custom-dark: #000000;

JSON

{
  "hex": "#42cf3f",
  "rgb": {
    "r": 66,
    "g": 207,
    "b": 63
  },
  "hsl": {
    "h": 118.75,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.75159,
    "c": 0.21873,
    "h": 142.7
  },
  "luminance": 0.46143
}

Semantic roles & 50–950 ramp

primary

#42CF3F

secondary

#D396D4

accent

#45E3E0

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CF3F

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

Preview Lab → · Contrast checker → · Palette generator →