#51D671#51D671

#51D671 is a light, vivid green. Relative luminance 0.510; OKLCH L 78.0% C 0.182 H 148.4°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#51D671
RGB	rgb(81, 214, 113)
HSL	hsl(134, 62%, 58%)
HSV	hsv(134, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 47.2%, 16.1%)
CIE-LAB	lab(76.70, -57.55, 39.24)
CIE-LCH	lch(76.70, 69.66, 145.72°)
OKLab	oklab(77.96% -0.1554 0.0957)
OKLCH	oklch(77.96% 0.182 148.4)
XYZ	xyz(30.4184, 51.0317, 23.8666)
Luminance	0.5103 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D671 #D651B6

analogous

#73D651 #51D671 #51D6B3

triadic

#51D671 #7151D6 #D67151

tetradic

#51D671 #5173D6 #D651B6 #D6B351

square

#51D671 #5173D6 #D651B6 #D6B351

split-complementary

#51D671 #B351D6 #D65173

monochromatic

#218C3B #2DBD4F #51D671 #83E299 #B4EDC2

Accessibility & contrast

On white

1.87

#51D671 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#51D671 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D671

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D671	#FFFFFF	#000000	##000000
##51D671	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C469

Deuteranopia (green-blind)

#C7B978

Tritanopia (blue-blind)

#29D2BE

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d671;
/* rgb */ color: rgb(81, 214, 113);
/* oklch */ color: oklch(78.0% 0.182 148.4);

Tailwind

colors: {
  custom: {
    50: '#8fe49b',
    500: '#51d671',
    950: '#000000',
  },
}

SCSS

$custom: #51d671;
$custom-light: #8fe49b;
$custom-dark: #000000;

JSON

{
  "hex": "#51d671",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 113
  },
  "hsl": {
    "h": 134.436,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.77963,
    "c": 0.18249,
    "h": 148.4
  },
  "luminance": 0.51035
}

Semantic roles & 50–950 ramp

primary

#51D671

secondary

#923A7C

accent

#43BEE5

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160E

muted

#7F847F

Preview Lab

Preview with #51D671

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

Preview Lab → · Contrast checker → · Palette generator →