#42DA59#42DA59

#42DA59 is a light, highly saturated green. Relative luminance 0.520; OKLCH L 78.3% C 0.213 H 145.5°. Best body text is #000000 at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#42DA59
RGB	rgb(66, 218, 89)
HSL	hsl(129, 67%, 56%)
HSV	hsv(129, 70%, 85%)
CMYK	cmyk(69.7%, 0%, 59.2%, 14.5%)
CIE-LAB	lab(77.29, -65.05, 51.17)
CIE-LCH	lch(77.29, 82.77, 141.81°)
OKLab	oklab(78.26% -0.1756 0.1206)
OKLCH	oklch(78.26% 0.213 145.5)
XYZ	xyz(29.1193, 52.0191, 17.9553)
Luminance	0.5202 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DA59 #DA42C3

analogous

#77DA42 #42DA59 #42DAA5

triadic

#42DA59 #5942DA #DA5942

tetradic

#42DA59 #4277DA #DA42C3 #DAA542

square

#42DA59 #4277DA #DA42C3 #DAA542

split-complementary

#42DA59 #A542DA #DA4277

monochromatic

#1A872B #24BA3B #42DA59 #75E486 #A8EEB3

Accessibility & contrast

On white

1.84

#42DA59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.40

#42DA59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DA59

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DA59	#FFFFFF	#000000	##000000
##42DA59	1.00	1.84	11.40	11.40
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.40	21.00	1.00	1.00
##000000	11.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC64B

Deuteranopia (green-blind)

#CCBA64

Tritanopia (blue-blind)

#00D5BE

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42da59;
/* rgb */ color: rgb(66, 218, 89);
/* oklch */ color: oklch(78.3% 0.213 145.5);

Tailwind

colors: {
  custom: {
    50: '#8ae78c',
    500: '#42da59',
    950: '#000000',
  },
}

SCSS

$custom: #42da59;
$custom-light: #8ae78c;
$custom-dark: #000000;

JSON

{
  "hex": "#42da59",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 89
  },
  "hsl": {
    "h": 129.079,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.7826,
    "c": 0.21308,
    "h": 145.5
  },
  "luminance": 0.52022
}

Semantic roles & 50–950 ramp

primary

#42DA59

secondary

#8D3380

accent

#3ED0EA

background

#FCFEFC

surface

#F4FDF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #42DA59

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

Preview Lab → · Contrast checker → · Palette generator →