#51D677#51D677

#51D677 is a light, vivid green. Relative luminance 0.512; OKLCH L 78.1% C 0.177 H 149.7°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#51D677
RGB	rgb(81, 214, 119)
HSL	hsl(137, 62%, 58%)
HSV	hsv(137, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 44.4%, 16.1%)
CIE-LAB	lab(76.78, -56.61, 36.36)
CIE-LCH	lch(76.78, 67.29, 147.29°)
OKLab	oklab(78.06% -0.1529 0.0893)
OKLCH	oklch(78.06% 0.177 149.7)
XYZ	xyz(30.7674, 51.1713, 25.7048)
Luminance	0.5117 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D677 #D651B0

analogous

#6DD651 #51D677 #51D6B9

triadic

#51D677 #7751D6 #D67751

tetradic

#51D677 #516DD6 #D651B0 #D6B951

square

#51D677 #516DD6 #D651B0 #D6B951

split-complementary

#51D677 #B951D6 #D6516D

monochromatic

#218C3F #2DBD56 #51D677 #83E29E #B4EDC4

Accessibility & contrast

On white

1.87

#51D677 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#51D677 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D677

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D677	#FFFFFF	#000000	##000000
##51D677	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C570

Deuteranopia (green-blind)

#C6B97D

Tritanopia (blue-blind)

#25D2BF

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d677;
/* rgb */ color: rgb(81, 214, 119);
/* oklch */ color: oklch(78.1% 0.177 149.7);

Tailwind

colors: {
  custom: {
    50: '#8fe49f',
    500: '#51d677',
    950: '#000000',
  },
}

SCSS

$custom: #51d677;
$custom-light: #8fe49f;
$custom-dark: #000000;

JSON

{
  "hex": "#51d677",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 119
  },
  "hsl": {
    "h": 137.143,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.7806,
    "c": 0.17706,
    "h": 149.7
  },
  "luminance": 0.51174
}

Semantic roles & 50–950 ramp

primary

#51D677

secondary

#923A78

accent

#43B7E5

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D677

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

Preview Lab → · Contrast checker → · Palette generator →