#42CC5F#42CC5F

#42CC5F is a light, vivid green. Relative luminance 0.452; OKLCH L 74.7% C 0.191 H 147.1°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#42CC5F
RGB	rgb(66, 204, 95)
HSL	hsl(133, 58%, 53%)
HSV	hsv(133, 68%, 80%)
CMYK	cmyk(67.6%, 0%, 53.4%, 20%)
CIE-LAB	lab(73.00, -59.46, 43.33)
CIE-LCH	lch(73.00, 73.57, 143.92°)
OKLab	oklab(74.73% -0.1604 0.1039)
OKLCH	oklch(74.73% 0.191 147.1)
XYZ	xyz(25.9033, 45.1674, 18.1773)
Luminance	0.4517 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CC5F #CC42AF

analogous

#6ACC42 #42CC5F #42CCA4

triadic

#42CC5F #5F42CC #CC5F42

tetradic

#42CC5F #426ACC #CC42AF #CCA442

square

#42CC5F #426ACC #CC42AF #CCA442

split-complementary

#42CC5F #A442CC #CC426A

monochromatic

#1F7431 #2CA446 #42CC5F #72D988 #A2E6B1

Accessibility & contrast

On white

2.09

#42CC5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#42CC5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CC5F

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CC5F	#FFFFFF	#000000	##000000
##42CC5F	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBA55

Deuteranopia (green-blind)

#BEAF67

Tritanopia (blue-blind)

#05C8B3

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42cc5f;
/* rgb */ color: rgb(66, 204, 95);
/* oklch */ color: oklch(74.7% 0.191 147.1);

Tailwind

colors: {
  custom: {
    50: '#87dd8f',
    500: '#42cc5f',
    950: '#000000',
  },
}

SCSS

$custom: #42cc5f;
$custom-light: #87dd8f;
$custom-dark: #000000;

JSON

{
  "hex": "#42cc5f",
  "rgb": {
    "r": 66,
    "g": 204,
    "b": 95
  },
  "hsl": {
    "h": 132.609,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.74733,
    "c": 0.1911,
    "h": 147.1
  },
  "luminance": 0.4517
}

Semantic roles & 50–950 ramp

primary

#42CC5F

secondary

#D397C6

accent

#47C0E1

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #42CC5F

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

Preview Lab → · Contrast checker → · Palette generator →