#51E042#51E042

#51E042 is a light, highly saturated green. Relative luminance 0.555; OKLCH L 80.0% C 0.231 H 141.8°. Best body text is #000000 at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#51E042
RGB	rgb(81, 224, 66)
HSL	hsl(114, 72%, 57%)
HSV	hsv(114, 71%, 88%)
CMYK	cmyk(63.8%, 0%, 70.5%, 12.2%)
CIE-LAB	lab(79.30, -66.49, 62.84)
CIE-LCH	lch(79.30, 91.48, 136.62°)
OKLab	oklab(79.96% -0.1813 0.1429)
OKLCH	oklch(79.96% 0.231 141.8)
XYZ	xyz(31.0307, 55.4509, 14.2210)
Luminance	0.5545 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E042 #D142E0

analogous

#A0E042 #51E042 #42E082

triadic

#51E042 #4251E0 #E04251

tetradic

#51E042 #42A0E0 #D142E0 #E08242

square

#51E042 #42A0E0 #D142E0 #E08242

split-complementary

#51E042 #8242E0 #E042A0

monochromatic

#239018 #30C520 #51E042 #81E977 #B2F1AB

Accessibility & contrast

On white

1.74

#51E042 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.09

#51E042 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E042

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E042	#FFFFFF	#000000	##000000
##51E042	1.00	1.74	12.09	12.09
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.09	21.00	1.00	1.00
##000000	12.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC28

Deuteranopia (green-blind)

#D4C052

Tritanopia (blue-blind)

#36D9C1

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51e042;
/* rgb */ color: rgb(81, 224, 66);
/* oklch */ color: oklch(80.0% 0.231 141.8);

Tailwind

colors: {
  custom: {
    50: '#93eb7f',
    500: '#51e042',
    950: '#000000',
  },
}

SCSS

$custom: #51e042;
$custom-light: #93eb7f;
$custom-dark: #000000;

JSON

{
  "hex": "#51e042",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 66
  },
  "hsl": {
    "h": 114.304,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.7996,
    "c": 0.23086,
    "h": 141.8
  },
  "luminance": 0.55454
}

Semantic roles & 50–950 ramp

primary

#51E042

secondary

#8B3195

accent

#39EFDD

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160B

muted

#7F857E

Preview Lab

Preview with #51E042

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

Preview Lab → · Contrast checker → · Palette generator →