#42D587#42D587

#42D587 is a light, vivid green. Relative luminance 0.505; OKLCH L 77.7% C 0.167 H 155.5°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#42D587
RGB	rgb(66, 213, 135)
HSL	hsl(148, 64%, 55%)
HSV	hsv(148, 69%, 84%)
CMYK	cmyk(69%, 0%, 36.6%, 16.5%)
CIE-LAB	lab(76.37, -56.17, 27.60)
CIE-LCH	lch(76.37, 62.58, 153.83°)
OKLab	oklab(77.7% -0.1519 0.0692)
OKLCH	oklch(77.7% 0.167 155.5)
XYZ	xyz(30.4114, 50.4926, 31.0603)
Luminance	0.5050 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D587 #D54290

analogous

#47D542 #42D587 #42D5D0

triadic

#42D587 #8742D5 #D58742

tetradic

#42D587 #4247D5 #D54290 #D5D042

square

#42D587 #4247D5 #D54290 #D5D042

split-complementary

#42D587 #D042D5 #D54247

monochromatic

#1C804B #28B269 #42D587 #74E0A7 #A6EBC7

Accessibility & contrast

On white

1.89

#42D587 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#42D587 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D587

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D587	#FFFFFF	#000000	##000000
##42D587	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C482

Deuteranopia (green-blind)

#C2B78C

Tritanopia (blue-blind)

#00D3C1

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d587;
/* rgb */ color: rgb(66, 213, 135);
/* oklch */ color: oklch(77.7% 0.167 155.5);

Tailwind

colors: {
  custom: {
    50: '#88e3aa',
    500: '#42d587',
    950: '#000000',
  },
}

SCSS

$custom: #42d587;
$custom-light: #88e3aa;
$custom-dark: #000000;

JSON

{
  "hex": "#42d587",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 135
  },
  "hsl": {
    "h": 148.163,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77702,
    "c": 0.16692,
    "h": 155.5
  },
  "luminance": 0.50496
}

Semantic roles & 50–950 ramp

primary

#42D587

secondary

#873460

accent

#4199E7

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #42D587

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

Preview Lab → · Contrast checker → · Palette generator →