#51D983#51D983

#51D983 is a light, vivid green. Relative luminance 0.530; OKLCH L 79.0% C 0.170 H 152.4°. Best body text is #000000 at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#51D983
RGB	rgb(81, 217, 131)
HSL	hsl(142, 64%, 58%)
HSV	hsv(142, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 39.6%, 14.9%)
CIE-LAB	lab(77.88, -55.74, 31.72)
CIE-LCH	lch(77.88, 64.14, 150.35°)
OKLab	oklab(79.02% -0.1507 0.0789)
OKLCH	oklch(79.02% 0.17 152.4)
XYZ	xyz(32.3003, 53.0104, 29.9981)
Luminance	0.5301 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D983 #D951A7

analogous

#63D951 #51D983 #51D9C7

triadic

#51D983 #8351D9 #D98351

tetradic

#51D983 #5163D9 #D951A7 #D9C751

square

#51D983 #5163D9 #D951A7 #D9C751

split-complementary

#51D983 #C751D9 #D95163

monochromatic

#1F9049 #2AC262 #51D983 #83E4A7 #B5EFCB

Accessibility & contrast

On white

1.81

#51D983 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.60

#51D983 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D983

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D983	#FFFFFF	#000000	##000000
##51D983	1.00	1.81	11.60	11.60
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.60	21.00	1.00	1.00
##000000	11.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C87D

Deuteranopia (green-blind)

#C8BC89

Tritanopia (blue-blind)

#19D6C4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d983;
/* rgb */ color: rgb(81, 217, 131);
/* oklch */ color: oklch(79.0% 0.170 152.4);

Tailwind

colors: {
  custom: {
    50: '#8fe6a8',
    500: '#51d983',
    950: '#000000',
  },
}

SCSS

$custom: #51d983;
$custom-light: #8fe6a8;
$custom-dark: #000000;

JSON

{
  "hex": "#51d983",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 131
  },
  "hsl": {
    "h": 142.059,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.79024,
    "c": 0.17008,
    "h": 152.4
  },
  "luminance": 0.53014
}

Semantic roles & 50–950 ramp

primary

#51D983

secondary

#953973

accent

#41AAE7

background

#FCFEFC

surface

#F5FCF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D983

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

Preview Lab → · Contrast checker → · Palette generator →