#42E751#42E751

#42E751 is a light, highly saturated green. Relative luminance 0.589; OKLCH L 81.5% C 0.234 H 144.3°. Best body text is #000000 at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#42E751
RGB	rgb(66, 231, 81)
HSL	hsl(125, 77%, 58%)
HSV	hsv(125, 71%, 91%)
CMYK	cmyk(71.4%, 0%, 64.9%, 9.4%)
CIE-LAB	lab(81.24, -70.18, 59.01)
CIE-LCH	lch(81.24, 91.70, 139.94°)
OKLab	oklab(81.51% -0.1899 0.1366)
OKLCH	oklch(81.51% 0.234 144.3)
XYZ	xyz(32.3058, 58.9005, 17.4494)
Luminance	0.5890 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42E751 #E742D8

analogous

#85E742 #42E751 #42E7A4

triadic

#42E751 #5142E7 #E75142

tetradic

#42E751 #4285E7 #E742D8 #E7A442

square

#42E751 #4285E7 #E742D8 #E7A442

split-complementary

#42E751 #A442E7 #E74285

monochromatic

#149B20 #1BD12B #42E751 #78EE83 #AFF5B5

Accessibility & contrast

On white

1.64

#42E751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.78

#42E751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42E751

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42E751	#FFFFFF	#000000	##000000
##42E751	1.00	1.64	12.78	12.78
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.78	21.00	1.00	1.00
##000000	12.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBD23E

Deuteranopia (green-blind)

#D8C55F

Tritanopia (blue-blind)

#00E1C8

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #42e751;
/* rgb */ color: rgb(66, 231, 81);
/* oklch */ color: oklch(81.5% 0.234 144.3);

Tailwind

colors: {
  custom: {
    50: '#8df088',
    500: '#42e751',
    950: '#000000',
  },
}

SCSS

$custom: #42e751;
$custom-light: #8df088;
$custom-dark: #000000;

JSON

{
  "hex": "#42e751",
  "rgb": {
    "r": 66,
    "g": 231,
    "b": 81
  },
  "hsl": {
    "h": 125.455,
    "s": 77.465,
    "l": 58.235
  },
  "oklch": {
    "l": 0.81506,
    "c": 0.23392,
    "h": 144.3
  },
  "luminance": 0.58904
}

Semantic roles & 50–950 ramp

primary

#42E751

secondary

#9E2F94

accent

#34E3F4

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170C

muted

#7F857F

Preview Lab

Preview with #42E751

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

Preview Lab → · Contrast checker → · Palette generator →