#42B54E#42B54E

#42B54E is a light, vivid green. Relative luminance 0.348; OKLCH L 68.5% C 0.176 H 145.1°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#42B54E
RGB	rgb(66, 181, 78)
HSL	hsl(126, 47%, 48%)
HSV	hsv(126, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 56.9%, 29%)
CIE-LAB	lab(65.56, -53.43, 42.51)
CIE-LCH	lch(65.56, 68.27, 141.50°)
OKLab	oklab(68.52% -0.1446 0.101)
OKLCH	oklch(68.52% 0.176 145.1)
XYZ	xyz(20.1445, 34.7541, 12.8528)
Luminance	0.3476 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B54E #B542A9

analogous

#6FB542 #42B54E #42B587

triadic

#42B54E #4E42B5 #B54E42

tetradic

#42B54E #426FB5 #B542A9 #B58742

square

#42B54E #426FB5 #B542A9 #B58742

split-complementary

#42B54E #8742B5 #B5426F

monochromatic

#215B27 #32883B #42B54E #6BC975 #98D99F

Accessibility & contrast

On white

2.64

#42B54E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#42B54E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B54E

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B54E	#FFFFFF	#000000	##000000
##42B54E	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A544

Deuteranopia (green-blind)

#AA9B56

Tritanopia (blue-blind)

#26B19E

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42b54e;
/* rgb */ color: rgb(66, 181, 78);
/* oklch */ color: oklch(68.5% 0.176 145.1);

Tailwind

colors: {
  custom: {
    50: '#83cc82',
    500: '#42b54e',
    950: '#000000',
  },
}

SCSS

$custom: #42b54e;
$custom-light: #83cc82;
$custom-dark: #000000;

JSON

{
  "hex": "#42b54e",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 78
  },
  "hsl": {
    "h": 126.261,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.68519,
    "c": 0.17636,
    "h": 145.1
  },
  "luminance": 0.34756
}

Semantic roles & 50–950 ramp

primary

#42B54E

secondary

#C58EBF

accent

#52C8D6

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #42B54E

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

Preview Lab → · Contrast checker → · Palette generator →