#42DD8B#42DD8B

#42DD8B is a light, vivid green. Relative luminance 0.547; OKLCH L 79.8% C 0.174 H 155.4°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#42DD8B
RGB	rgb(66, 221, 139)
HSL	hsl(148, 70%, 56%)
HSV	hsv(148, 70%, 87%)
CMYK	cmyk(70.1%, 0%, 37.1%, 13.3%)
CIE-LAB	lab(78.89, -58.42, 28.90)
CIE-LCH	lch(78.89, 65.18, 153.68°)
OKLab	oklab(79.8% -0.1579 0.0724)
OKLCH	oklch(79.8% 0.174 155.4)
XYZ	xyz(32.7604, 54.7315, 33.2588)
Luminance	0.5474 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DD8B #DD4294

analogous

#47DD42 #42DD8B #42DDD9

triadic

#42DD8B #8B42DD #DD8B42

tetradic

#42DD8B #4247DD #DD4294 #DDD942

square

#42DD8B #4247DD #DD4294 #DDD942

split-complementary

#42DD8B #D942DD #DD4247

monochromatic

#198C4F #22BF6C #42DD8B #76E6AB #AAF0CB

Accessibility & contrast

On white

1.76

#42DD8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#42DD8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DD8B

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DD8B	#FFFFFF	#000000	##000000
##42DD8B	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCB86

Deuteranopia (green-blind)

#C9BE90

Tritanopia (blue-blind)

#00DBC8

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #42dd8b;
/* rgb */ color: rgb(66, 221, 139);
/* oklch */ color: oklch(79.8% 0.174 155.4);

Tailwind

colors: {
  custom: {
    50: '#8ae9ad',
    500: '#42dd8b',
    950: '#000000',
  },
}

SCSS

$custom: #42dd8b;
$custom-light: #8ae9ad;
$custom-dark: #000000;

JSON

{
  "hex": "#42dd8b",
  "rgb": {
    "r": 66,
    "g": 221,
    "b": 139
  },
  "hsl": {
    "h": 148.258,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.79796,
    "c": 0.1737,
    "h": 155.4
  },
  "luminance": 0.54735
}

Semantic roles & 50–950 ramp

primary

#42DD8B

secondary

#913264

accent

#3B99EC

background

#FCFEFD

surface

#F4FDF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #42DD8B

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

Preview Lab → · Contrast checker → · Palette generator →