#42D583#42D583

#42D583 is a light, vivid green. Relative luminance 0.504; OKLCH L 77.6% C 0.171 H 154.4°. Best body text is #000000 at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#42D583
RGB	rgb(66, 213, 131)
HSL	hsl(147, 64%, 55%)
HSV	hsv(147, 69%, 84%)
CMYK	cmyk(69%, 0%, 38.5%, 16.5%)
CIE-LAB	lab(76.30, -56.92, 29.58)
CIE-LCH	lch(76.30, 64.14, 152.54°)
OKLab	oklab(77.62% -0.1537 0.0738)
OKLCH	oklch(77.62% 0.171 154.4)
XYZ	xyz(30.1350, 50.3821, 29.6049)
Luminance	0.5039 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D583 #D54294

analogous

#4AD542 #42D583 #42D5CD

triadic

#42D583 #8342D5 #D58342

tetradic

#42D583 #424AD5 #D54294 #D5CD42

square

#42D583 #424AD5 #D54294 #D5CD42

split-complementary

#42D583 #CD42D5 #D5424A

monochromatic

#1C8049 #28B265 #42D583 #74E0A4 #A6EBC5

Accessibility & contrast

On white

1.90

#42D583 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.08

#42D583 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D583

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D583	#FFFFFF	#000000	##000000
##42D583	1.00	1.90	11.08	11.08
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.08	21.00	1.00	1.00
##000000	11.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C47D

Deuteranopia (green-blind)

#C2B788

Tritanopia (blue-blind)

#00D3C0

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d583;
/* rgb */ color: rgb(66, 213, 131);
/* oklch */ color: oklch(77.6% 0.171 154.4);

Tailwind

colors: {
  custom: {
    50: '#88e3a7',
    500: '#42d583',
    950: '#000000',
  },
}

SCSS

$custom: #42d583;
$custom-light: #88e3a7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d583",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 131
  },
  "hsl": {
    "h": 146.531,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77624,
    "c": 0.17052,
    "h": 154.4
  },
  "luminance": 0.50385
}

Semantic roles & 50–950 ramp

primary

#42D583

secondary

#873462

accent

#419DE7

background

#FCFEFC

surface

#F4FCF6

border

#CED5D0

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #42D583

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

Preview Lab → · Contrast checker → · Palette generator →