#51D17C#51D17C

#51D17C is a light, vivid green. Relative luminance 0.488; OKLCH L 76.9% C 0.166 H 151.5°. Best body text is #000000 at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#51D17C
RGB	rgb(81, 209, 124)
HSL	hsl(140, 58%, 57%)
HSV	hsv(140, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 40.7%, 18%)
CIE-LAB	lab(75.33, -53.87, 31.95)
CIE-LCH	lch(75.33, 62.63, 149.33°)
OKLab	oklab(76.89% -0.1456 0.0792)
OKLCH	oklch(76.89% 0.166 151.5)
XYZ	xyz(29.8296, 48.8025, 26.9127)
Luminance	0.4880 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D17C #D151A6

analogous

#66D151 #51D17C #51D1BC

triadic

#51D17C #7C51D1 #D17C51

tetradic

#51D17C #5166D1 #D151A6 #D1BC51

square

#51D17C #5166D1 #D151A6 #D1BC51

split-complementary

#51D17C #BC51D1 #D15166

monochromatic

#238544 #30B55D #51D17C #81DEA0 #B2EBC5

Accessibility & contrast

On white

1.95

#51D17C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.76

#51D17C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D17C

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D17C	#FFFFFF	#000000	##000000
##51D17C	1.00	1.95	10.76	10.76
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.76	21.00	1.00	1.00
##000000	10.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2C176

Deuteranopia (green-blind)

#C1B582

Tritanopia (blue-blind)

#25CEBC

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #51d17c;
/* rgb */ color: rgb(81, 209, 124);
/* oklch */ color: oklch(76.9% 0.166 151.5);

Tailwind

colors: {
  custom: {
    50: '#8ee0a3',
    500: '#51d17c',
    950: '#000000',
  },
}

SCSS

$custom: #51d17c;
$custom-light: #8ee0a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d17c",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 124
  },
  "hsl": {
    "h": 140.156,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.76889,
    "c": 0.16579,
    "h": 151.5
  },
  "luminance": 0.48805
}

Semantic roles & 50–950 ramp

primary

#51D17C

secondary

#D9A5C7

accent

#46ADE1

background

#F9FDFA

surface

#F2FBF4

border

#CCD4CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51D17C

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

Preview Lab → · Contrast checker → · Palette generator →