#51D583#51D583

#51D583 is a light, vivid green. Relative luminance 0.510; OKLCH L 78.0% C 0.165 H 152.9°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#51D583
RGB	rgb(81, 213, 131)
HSL	hsl(143, 61%, 58%)
HSV	hsv(143, 62%, 84%)
CMYK	cmyk(62%, 0%, 38.5%, 16.5%)
CIE-LAB	lab(76.66, -54.20, 30.12)
CIE-LCH	lch(76.66, 62.00, 150.94°)
OKLab	oklab(78.02% -0.1466 0.0751)
OKLCH	oklch(78.02% 0.165 152.9)
XYZ	xyz(31.2818, 50.9734, 29.6586)
Luminance	0.5098 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D583 #D551A3

analogous

#61D551 #51D583 #51D5C5

triadic

#51D583 #8351D5 #D58351

tetradic

#51D583 #5161D5 #D551A3 #D5C551

square

#51D583 #5161D5 #D551A3 #D5C551

split-complementary

#51D583 #C551D5 #D55161

monochromatic

#218A49 #2DBC63 #51D583 #82E1A6 #B4EDC9

Accessibility & contrast

On white

1.88

#51D583 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#51D583 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D583

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D583	#FFFFFF	#000000	##000000
##51D583	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C47D

Deuteranopia (green-blind)

#C4B888

Tritanopia (blue-blind)

#1CD2C0

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d583;
/* rgb */ color: rgb(81, 213, 131);
/* oklch */ color: oklch(78.0% 0.165 152.9);

Tailwind

colors: {
  custom: {
    50: '#8fe3a8',
    500: '#51d583',
    950: '#000000',
  },
}

SCSS

$custom: #51d583;
$custom-light: #8fe3a8;
$custom-dark: #000000;

JSON

{
  "hex": "#51d583",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 131
  },
  "hsl": {
    "h": 142.727,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.78022,
    "c": 0.16473,
    "h": 152.9
  },
  "luminance": 0.50977
}

Semantic roles & 50–950 ramp

primary

#51D583

secondary

#903A70

accent

#44A7E4

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0D150F

muted

#7F8480

Preview Lab

Preview with #51D583

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

Preview Lab → · Contrast checker → · Palette generator →