#51D679#51D679

#51D679 is a light, vivid green. Relative luminance 0.512; OKLCH L 78.1% C 0.175 H 150.2°. Best body text is #000000 at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#51D679
RGB	rgb(81, 214, 121)
HSL	hsl(138, 62%, 58%)
HSV	hsv(138, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 43.5%, 16.1%)
CIE-LAB	lab(76.81, -56.29, 35.40)
CIE-LCH	lch(76.81, 66.49, 147.84°)
OKLab	oklab(78.09% -0.152 0.0872)
OKLCH	oklch(78.09% 0.175 150.2)
XYZ	xyz(30.8888, 51.2198, 26.3440)
Luminance	0.5122 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D679 #D651AE

analogous

#6CD651 #51D679 #51D6BB

triadic

#51D679 #7951D6 #D67951

tetradic

#51D679 #516CD6 #D651AE #D6BB51

square

#51D679 #516CD6 #D651AE #D6BB51

split-complementary

#51D679 #BB51D6 #D6516C

monochromatic

#218C41 #2DBD58 #51D679 #83E29F #B4EDC5

Accessibility & contrast

On white

1.87

#51D679 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.24

#51D679 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D679

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D679	#FFFFFF	#000000	##000000
##51D679	1.00	1.87	11.24	11.24
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.24	21.00	1.00	1.00
##000000	11.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C572

Deuteranopia (green-blind)

#C6B97F

Tritanopia (blue-blind)

#24D2BF

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d679;
/* rgb */ color: rgb(81, 214, 121);
/* oklch */ color: oklch(78.1% 0.175 150.2);

Tailwind

colors: {
  custom: {
    50: '#8fe4a1',
    500: '#51d679',
    950: '#000000',
  },
}

SCSS

$custom: #51d679;
$custom-light: #8fe4a1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d679",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 121
  },
  "hsl": {
    "h": 138.045,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.78094,
    "c": 0.17523,
    "h": 150.2
  },
  "luminance": 0.51223
}

Semantic roles & 50–950 ramp

primary

#51D679

secondary

#923A77

accent

#43B4E5

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D679

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

Preview Lab → · Contrast checker → · Palette generator →