#42D17B#42D17B

#42D17B is a light, vivid green. Relative luminance 0.482; OKLCH L 76.5% C 0.173 H 152.7°. Best body text is #000000 at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#42D17B
RGB	rgb(66, 209, 123)
HSL	hsl(144, 61%, 54%)
HSV	hsv(144, 68%, 82%)
CMYK	cmyk(68.4%, 0%, 41.1%, 18%)
CIE-LAB	lab(74.94, -56.86, 31.88)
CIE-LCH	lch(74.94, 65.19, 150.72°)
OKLab	oklab(76.46% -0.1534 0.0791)
OKLCH	oklch(76.46% 0.173 152.7)
XYZ	xyz(28.6199, 48.1861, 26.5276)
Luminance	0.4819 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D17B #D14298

analogous

#51D142 #42D17B #42D1C3

triadic

#42D17B #7B42D1 #D17B42

tetradic

#42D17B #4251D1 #D14298 #D1C342

square

#42D17B #4251D1 #D14298 #D1C342

split-complementary

#42D17B #C342D1 #D14251

monochromatic

#1E7B43 #2AAC5E #42D17B #73DD9D #A4E9C0

Accessibility & contrast

On white

1.97

#42D17B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.64

#42D17B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D17B

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D17B	#FFFFFF	#000000	##000000
##42D17B	1.00	1.97	10.64	10.64
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.64	21.00	1.00	1.00
##000000	10.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1C075

Deuteranopia (green-blind)

#BFB381

Tritanopia (blue-blind)

#00CEBC

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #42d17b;
/* rgb */ color: rgb(66, 209, 123);
/* oklch */ color: oklch(76.5% 0.173 152.7);

Tailwind

colors: {
  custom: {
    50: '#87e0a2',
    500: '#42d17b',
    950: '#000000',
  },
}

SCSS

$custom: #42d17b;
$custom-light: #87e0a2;
$custom-dark: #000000;

JSON

{
  "hex": "#42d17b",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 123
  },
  "hsl": {
    "h": 143.916,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.7646,
    "c": 0.17256,
    "h": 152.7
  },
  "luminance": 0.48189
}

Semantic roles & 50–950 ramp

primary

#42D17B

secondary

#D699BE

accent

#44A4E4

background

#F9FDFA

surface

#F1FBF3

border

#CBD4CD

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #42D17B

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

Preview Lab → · Contrast checker → · Palette generator →