#42CB55#42CB55

#42CB55 is a light, vivid green. Relative luminance 0.445; OKLCH L 74.3% C 0.198 H 145.5°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#42CB55
RGB	rgb(66, 203, 85)
HSL	hsl(128, 57%, 53%)
HSV	hsv(128, 67%, 80%)
CMYK	cmyk(67.5%, 0%, 58.1%, 20.4%)
CIE-LAB	lab(72.58, -60.41, 47.50)
CIE-LCH	lch(72.58, 76.85, 141.83°)
OKLab	oklab(74.35% -0.1632 0.1124)
OKLCH	oklch(74.35% 0.198 145.5)
XYZ	xyz(25.2407, 44.5233, 15.8562)
Luminance	0.4453 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CB55 #CB42B8

analogous

#74CB42 #42CB55 #42CB99

triadic

#42CB55 #5542CB #CB5542

tetradic

#42CB55 #4274CB #CB42B8 #CB9942

square

#42CB55 #4274CB #CB42B8 #CB9942

split-complementary

#42CB55 #9942CB #CB4274

monochromatic

#20732B #2DA33D #42CB55 #72D880 #A2E5AB

Accessibility & contrast

On white

2.12

#42CB55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#42CB55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CB55

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CB55	#FFFFFF	#000000	##000000
##42CB55	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB949

Deuteranopia (green-blind)

#BEAE5E

Tritanopia (blue-blind)

#13C6B1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42cb55;
/* rgb */ color: rgb(66, 203, 85);
/* oklch */ color: oklch(74.3% 0.198 145.5);

Tailwind

colors: {
  custom: {
    50: '#87dc88',
    500: '#42cb55',
    950: '#000000',
  },
}

SCSS

$custom: #42cb55;
$custom-light: #87dc88;
$custom-dark: #000000;

JSON

{
  "hex": "#42cb55",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 85
  },
  "hsl": {
    "h": 128.321,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.74345,
    "c": 0.19816,
    "h": 145.5
  },
  "luminance": 0.44526
}

Semantic roles & 50–950 ramp

primary

#42CB55

secondary

#D297CA

accent

#48CBE0

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #42CB55

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

Preview Lab → · Contrast checker → · Palette generator →