#51E973#51E973

#51E973 is a very light, highly saturated green. Relative luminance 0.613; OKLCH L 82.8% C 0.205 H 147.6°. Best body text is #000000 at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#51E973
RGB	rgb(81, 233, 115)
HSL	hsl(133, 78%, 62%)
HSV	hsv(133, 65%, 91%)
CMYK	cmyk(65.2%, 0%, 50.6%, 8.6%)
CIE-LAB	lab(82.52, -64.15, 45.52)
CIE-LCH	lch(82.52, 78.66, 144.64°)
OKLab	oklab(82.77% -0.1731 0.1099)
OKLCH	oklch(82.77% 0.205 147.6)
XYZ	xyz(35.6242, 61.2612, 26.1635)
Luminance	0.6127 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E973 #E951C7

analogous

#7BE951 #51E973 #51E9BF

triadic

#51E973 #7351E9 #E97351

tetradic

#51E973 #517BE9 #E951C7 #E9BF51

square

#51E973 #517BE9 #E951C7 #E9BF51

split-complementary

#51E973 #BF51E9 #E9517B

monochromatic

#16AA37 #1CE048 #51E973 #87F09F #BEF7CA

Accessibility & contrast

On white

1.58

#51E973 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.25

#51E973 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E973

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E973	#FFFFFF	#000000	##000000
##51E973	1.00	1.58	13.25	13.25
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.25	21.00	1.00	1.00
##000000	13.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD569

Deuteranopia (green-blind)

#D9C87C

Tritanopia (blue-blind)

#1AE4CE

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #51e973;
/* rgb */ color: rgb(81, 233, 115);
/* oklch */ color: oklch(82.8% 0.205 147.6);

Tailwind

colors: {
  custom: {
    50: '#92f19d',
    500: '#51e973',
    950: '#000000',
  },
}

SCSS

$custom: #51e973;
$custom-light: #92f19d;
$custom-dark: #000000;

JSON

{
  "hex": "#51e973",
  "rgb": {
    "r": 81,
    "g": 233,
    "b": 115
  },
  "hsl": {
    "h": 133.421,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.82771,
    "c": 0.20502,
    "h": 147.6
  },
  "luminance": 0.61265
}

Semantic roles & 50–950 ramp

primary

#51E973

secondary

#AB3390

accent

#0CACDA

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E170E

muted

#7F857F

Preview Lab

Preview with #51E973

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

Preview Lab → · Contrast checker → · Palette generator →