#51D481#51D481

#51D481 is a light, vivid green. Relative luminance 0.504; OKLCH L 77.7% C 0.165 H 152.5°. Best body text is #000000 at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#51D481
RGB	rgb(81, 212, 129)
HSL	hsl(142, 60%, 57%)
HSV	hsv(142, 62%, 83%)
CMYK	cmyk(61.8%, 0%, 39.2%, 16.9%)
CIE-LAB	lab(76.33, -54.16, 30.70)
CIE-LCH	lch(76.33, 62.26, 150.46°)
OKLab	oklab(77.73% -0.1465 0.0764)
OKLCH	oklch(77.73% 0.165 152.5)
XYZ	xyz(30.8968, 50.4182, 28.8681)
Luminance	0.5042 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D481 #D451A4

analogous

#62D451 #51D481 #51D4C3

triadic

#51D481 #8151D4 #D48151

tetradic

#51D481 #5162D4 #D451A4 #D4C351

square

#51D481 #5162D4 #D451A4 #D4C351

split-complementary

#51D481 #C351D4 #D45162

monochromatic

#228948 #2EBA61 #51D481 #82E0A5 #B3ECC8

Accessibility & contrast

On white

1.89

#51D481 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.08

#51D481 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D481

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D481	#FFFFFF	#000000	##000000
##51D481	1.00	1.89	11.08	11.08
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.08	21.00	1.00	1.00
##000000	11.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C47B

Deuteranopia (green-blind)

#C3B786

Tritanopia (blue-blind)

#1FD1BF

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d481;
/* rgb */ color: rgb(81, 212, 129);
/* oklch */ color: oklch(77.7% 0.165 152.5);

Tailwind

colors: {
  custom: {
    50: '#8ee2a6',
    500: '#51d481',
    950: '#000000',
  },
}

SCSS

$custom: #51d481;
$custom-light: #8ee2a6;
$custom-dark: #000000;

JSON

{
  "hex": "#51d481",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 129
  },
  "hsl": {
    "h": 141.985,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.77734,
    "c": 0.16522,
    "h": 152.5
  },
  "luminance": 0.50421
}

Semantic roles & 50–950 ramp

primary

#51D481

secondary

#8F3A70

accent

#44A9E4

background

#FCFEFC

surface

#F4FCF6

border

#CED5D0

text

#0D150F

muted

#7F8480

Preview Lab

Preview with #51D481

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

Preview Lab → · Contrast checker → · Palette generator →