#51D573#51D573

#51D573 is a light, vivid green. Relative luminance 0.506; OKLCH L 77.7% C 0.179 H 148.9°. Best body text is #000000 at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#51D573
RGB	rgb(81, 213, 115)
HSL	hsl(135, 61%, 58%)
HSV	hsv(135, 62%, 84%)
CMYK	cmyk(62%, 0%, 46%, 16.5%)
CIE-LAB	lab(76.42, -56.87, 37.89)
CIE-LCH	lch(76.42, 68.34, 146.32°)
OKLab	oklab(77.74% -0.1536 0.0927)
OKLCH	oklch(77.74% 0.179 148.9)
XYZ	xyz(30.2799, 50.5726, 24.3821)
Luminance	0.5058 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D573 #D551B3

analogous

#71D551 #51D573 #51D5B5

triadic

#51D573 #7351D5 #D57351

tetradic

#51D573 #5171D5 #D551B3 #D5B551

square

#51D573 #5171D5 #D551B3 #D5B551

split-complementary

#51D573 #B551D5 #D55171

monochromatic

#218A3C #2DBC52 #51D573 #82E19B #B4EDC2

Accessibility & contrast

On white

1.89

#51D573 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.12

#51D573 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D573

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D573	#FFFFFF	#000000	##000000
##51D573	1.00	1.89	11.12	11.12
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.12	21.00	1.00	1.00
##000000	11.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C46B

Deuteranopia (green-blind)

#C6B87A

Tritanopia (blue-blind)

#28D1BE

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d573;
/* rgb */ color: rgb(81, 213, 115);
/* oklch */ color: oklch(77.7% 0.179 148.9);

Tailwind

colors: {
  custom: {
    50: '#8fe39d',
    500: '#51d573',
    950: '#000000',
  },
}

SCSS

$custom: #51d573;
$custom-light: #8fe39d;
$custom-dark: #000000;

JSON

{
  "hex": "#51d573",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 115
  },
  "hsl": {
    "h": 135.455,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77743,
    "c": 0.17938,
    "h": 148.9
  },
  "luminance": 0.50576
}

Semantic roles & 50–950 ramp

primary

#51D573

secondary

#903A7A

accent

#44BBE4

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E150E

muted

#7F847F

Preview Lab

Preview with #51D573

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

Preview Lab → · Contrast checker → · Palette generator →