#42DC51#42DC51

#42DC51 is a light, highly saturated green. Relative luminance 0.529; OKLCH L 78.7% C 0.221 H 144.5°. Best body text is #000000 at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#42DC51
RGB	rgb(66, 220, 81)
HSL	hsl(126, 69%, 56%)
HSV	hsv(126, 70%, 86%)
CMYK	cmyk(70%, 0%, 63.2%, 13.7%)
CIE-LAB	lab(77.84, -66.62, 55.26)
CIE-LCH	lch(77.84, 86.55, 140.33°)
OKLab	oklab(78.69% -0.1802 0.1287)
OKLCH	oklch(78.69% 0.221 144.5)
XYZ	xyz(29.3233, 52.9355, 16.4552)
Luminance	0.5294 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DC51 #DC42CD

analogous

#80DC42 #42DC51 #42DC9E

triadic

#42DC51 #5142DC #DC5142

tetradic

#42DC51 #4280DC #DC42CD #DC9E42

square

#42DC51 #4280DC #DC42CD #DC9E42

split-complementary

#42DC51 #9E42DC #DC4280

monochromatic

#1A8A25 #23BE32 #42DC51 #76E681 #A9EFB0

Accessibility & contrast

On white

1.81

#42DC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.59

#42DC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DC51

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DC51	#FFFFFF	#000000	##000000
##42DC51	1.00	1.81	11.59	11.59
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.59	21.00	1.00	1.00
##000000	11.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C840

Deuteranopia (green-blind)

#CEBC5D

Tritanopia (blue-blind)

#00D6BF

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #42dc51;
/* rgb */ color: rgb(66, 220, 81);
/* oklch */ color: oklch(78.7% 0.221 144.5);

Tailwind

colors: {
  custom: {
    50: '#8be887',
    500: '#42dc51',
    950: '#000000',
  },
}

SCSS

$custom: #42dc51;
$custom-light: #8be887;
$custom-dark: #000000;

JSON

{
  "hex": "#42dc51",
  "rgb": {
    "r": 66,
    "g": 220,
    "b": 81
  },
  "hsl": {
    "h": 125.844,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.78687,
    "c": 0.22141,
    "h": 144.5
  },
  "luminance": 0.52939
}

Semantic roles & 50–950 ramp

primary

#42DC51

secondary

#903287

accent

#3CDBEC

background

#FCFEFC

surface

#F5FDF3

border

#CFD5CD

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #42DC51

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

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