#42D589#42D589

#42D589 is a light, vivid green. Relative luminance 0.506; OKLCH L 77.7% C 0.165 H 156.1°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#42D589
RGB	rgb(66, 213, 137)
HSL	hsl(149, 64%, 55%)
HSV	hsv(149, 69%, 84%)
CMYK	cmyk(69%, 0%, 35.7%, 16.5%)
CIE-LAB	lab(76.41, -55.79, 26.61)
CIE-LCH	lch(76.41, 61.81, 154.50°)
OKLab	oklab(77.74% -0.151 0.0668)
OKLCH	oklch(77.74% 0.165 156.1)
XYZ	xyz(30.5535, 50.5495, 31.8089)
Luminance	0.5055 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D589 #D5428E

analogous

#44D542 #42D589 #42D5D3

triadic

#42D589 #8942D5 #D58942

tetradic

#42D589 #4244D5 #D5428E #D5D342

square

#42D589 #4244D5 #D5428E #D5D342

split-complementary

#42D589 #D342D5 #D54244

monochromatic

#1C804D #28B26B #42D589 #74E0A8 #A6EBC8

Accessibility & contrast

On white

1.89

#42D589 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.11

#42D589 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D589

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D589	#FFFFFF	#000000	##000000
##42D589	1.00	1.89	11.11	11.11
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.11	21.00	1.00	1.00
##000000	11.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C484

Deuteranopia (green-blind)

#C1B78E

Tritanopia (blue-blind)

#00D3C1

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d589;
/* rgb */ color: rgb(66, 213, 137);
/* oklch */ color: oklch(77.7% 0.165 156.1);

Tailwind

colors: {
  custom: {
    50: '#88e3ac',
    500: '#42d589',
    950: '#000000',
  },
}

SCSS

$custom: #42d589;
$custom-light: #88e3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#42d589",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 137
  },
  "hsl": {
    "h": 148.98,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77742,
    "c": 0.16514,
    "h": 156.1
  },
  "luminance": 0.50553
}

Semantic roles & 50–950 ramp

primary

#42D589

secondary

#87345F

accent

#4197E7

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #42D589

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

Preview Lab → · Contrast checker → · Palette generator →