#42B577#42B577

#42B577 is a light, vivid green. Relative luminance 0.355; OKLCH L 69.2% C 0.139 H 156.1°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#42B577
RGB	rgb(66, 181, 119)
HSL	hsl(148, 47%, 48%)
HSV	hsv(148, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 34.3%, 29%)
CIE-LAB	lab(66.16, -46.70, 22.30)
CIE-LCH	lch(66.16, 51.75, 154.47°)
OKLab	oklab(69.22% -0.1268 0.0562)
OKLCH	oklch(69.22% 0.139 156.1)
XYZ	xyz(22.0985, 35.5356, 23.1437)
Luminance	0.3554 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B577 #B54280

analogous

#46B542 #42B577 #42B5B0

triadic

#42B577 #7742B5 #B57742

tetradic

#42B577 #4246B5 #B54280 #B5B042

square

#42B577 #4246B5 #B54280 #B5B042

split-complementary

#42B577 #B042B5 #B54246

monochromatic

#215B3C #32885A #42B577 #6BC996 #98D9B6

Accessibility & contrast

On white

2.59

#42B577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#42B577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B577

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B577	#FFFFFF	#000000	##000000
##42B577	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A773

Deuteranopia (green-blind)

#A59C7B

Tritanopia (blue-blind)

#00B3A5

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #42b577;
/* rgb */ color: rgb(66, 181, 119);
/* oklch */ color: oklch(69.2% 0.139 156.1);

Tailwind

colors: {
  custom: {
    50: '#82cc9e',
    500: '#42b577',
    950: '#000000',
  },
}

SCSS

$custom: #42b577;
$custom-light: #82cc9e;
$custom-dark: #000000;

JSON

{
  "hex": "#42b577",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 119
  },
  "hsl": {
    "h": 147.652,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69217,
    "c": 0.13867,
    "h": 156.1
  },
  "luminance": 0.35538
}

Semantic roles & 50–950 ramp

primary

#42B577

secondary

#C58EAC

accent

#5299D6

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C130E

muted

#7D827E

Preview Lab

Preview with #42B577

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

Preview Lab → · Contrast checker → · Palette generator →