#42CA5B#42CA5B

#42CA5B is a light, vivid green. Relative luminance 0.442; OKLCH L 74.2% C 0.192 H 146.5°. Best body text is #000000 at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#42CA5B
RGB	rgb(66, 202, 91)
HSL	hsl(131, 56%, 53%)
HSV	hsv(131, 67%, 79%)
CMYK	cmyk(67.3%, 0%, 55%, 20.8%)
CIE-LAB	lab(72.33, -59.29, 44.42)
CIE-LCH	lch(72.33, 74.08, 143.16°)
OKLab	oklab(74.16% -0.16 0.1061)
OKLCH	oklch(74.16% 0.192 146.5)
XYZ	xyz(25.2539, 44.1520, 17.0868)
Luminance	0.4415 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CA5B #CA42B1

analogous

#6DCA42 #42CA5B #42CA9F

triadic

#42CA5B #5B42CA #CA5B42

tetradic

#42CA5B #426DCA #CA42B1 #CA9F42

square

#42CA5B #426DCA #CA42B1 #CA9F42

split-complementary

#42CA5B #9F42CA #CA426D

monochromatic

#20722F #2DA243 #42CA5B #72D784 #A2E5AE

Accessibility & contrast

On white

2.14

#42CA5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.83

#42CA5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CA5B

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CA5B	#FFFFFF	#000000	##000000
##42CA5B	1.00	2.14	9.83	9.83
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.83	21.00	1.00	1.00
##000000	9.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB851

Deuteranopia (green-blind)

#BCAD63

Tritanopia (blue-blind)

#0EC5B1

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42ca5b;
/* rgb */ color: rgb(66, 202, 91);
/* oklch */ color: oklch(74.2% 0.192 146.5);

Tailwind

colors: {
  custom: {
    50: '#87db8c',
    500: '#42ca5b',
    950: '#000000',
  },
}

SCSS

$custom: #42ca5b;
$custom-light: #87db8c;
$custom-dark: #000000;

JSON

{
  "hex": "#42ca5b",
  "rgb": {
    "r": 66,
    "g": 202,
    "b": 91
  },
  "hsl": {
    "h": 131.029,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.74162,
    "c": 0.19199,
    "h": 146.5
  },
  "luminance": 0.44155
}

Semantic roles & 50–950 ramp

primary

#42CA5B

secondary

#D196C7

accent

#48C4DF

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150C

muted

#7D837D

Preview Lab

Preview with #42CA5B

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

Preview Lab → · Contrast checker → · Palette generator →