#42CA37#42CA37

#42CA37 is a light, highly saturated green. Relative luminance 0.437; OKLCH L 73.8% C 0.218 H 142.0°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#42CA37
RGB	rgb(66, 202, 55)
HSL	hsl(116, 58%, 50%)
HSV	hsv(116, 73%, 79%)
CMYK	cmyk(67.3%, 0%, 72.8%, 20.8%)
CIE-LAB	lab(72.01, -63.08, 59.23)
CIE-LCH	lch(72.01, 86.53, 136.80°)
OKLab	oklab(73.79% -0.1718 0.1341)
OKLCH	oklch(73.79% 0.218 142)
XYZ	xyz(24.0555, 43.6726, 10.7756)
Luminance	0.4368 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CA37 #BF37CA

analogous

#8CCA37 #42CA37 #37CA75

triadic

#42CA37 #3742CA #CA3742

tetradic

#42CA37 #378CCA #BF37CA #CA7537

square

#42CA37 #378CCA #BF37CA #CA7537

split-complementary

#42CA37 #7537CA #CA378C

monochromatic

#226A1C #329B29 #42CA37 #70D767 #9DE498

Accessibility & contrast

On white

2.16

#42CA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#42CA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CA37

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CA37	#FFFFFF	#000000	##000000
##42CA37	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB71C

Deuteranopia (green-blind)

#BFAC46

Tritanopia (blue-blind)

#22C4AD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42ca37;
/* rgb */ color: rgb(66, 202, 55);
/* oklch */ color: oklch(73.8% 0.218 142.0);

Tailwind

colors: {
  custom: {
    50: '#88db77',
    500: '#42ca37',
    950: '#000000',
  },
}

SCSS

$custom: #42ca37;
$custom-light: #88db77;
$custom-dark: #000000;

JSON

{
  "hex": "#42ca37",
  "rgb": {
    "r": 66,
    "g": 202,
    "b": 55
  },
  "hsl": {
    "h": 115.51,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.73793,
    "c": 0.21793,
    "h": 142
  },
  "luminance": 0.43675
}

Semantic roles & 50–950 ramp

primary

#42CA37

secondary

#CA8ECF

accent

#46E1D6

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #42CA37

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

Preview Lab → · Contrast checker → · Palette generator →