#51DE77#51DE77

#51DE77 is a light, vivid green. Relative luminance 0.553; OKLCH L 80.1% C 0.188 H 149.0°. Best body text is #000000 at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#51DE77
RGB	rgb(81, 222, 119)
HSL	hsl(136, 68%, 59%)
HSV	hsv(136, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 46.4%, 12.9%)
CIE-LAB	lab(79.23, -59.59, 39.47)
CIE-LCH	lch(79.23, 71.48, 146.48°)
OKLab	oklab(80.07% -0.1608 0.0965)
OKLCH	oklch(80.07% 0.188 149)
XYZ	xyz(32.8420, 55.3204, 26.3963)
Luminance	0.5532 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE77 #DE51B8

analogous

#72DE51 #51DE77 #51DEBD

triadic

#51DE77 #7751DE #DE7751

tetradic

#51DE77 #5172DE #DE51B8 #DEBD51

square

#51DE77 #5172DE #DE51B8 #DEBD51

split-complementary

#51DE77 #BD51DE #DE5172

monochromatic

#1D983E #27CB53 #51DE77 #84E89F #B8F2C7

Accessibility & contrast

On white

1.74

#51DE77 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.06

#51DE77 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE77

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE77	#FFFFFF	#000000	##000000
##51DE77	1.00	1.74	12.06	12.06
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.06	21.00	1.00	1.00
##000000	12.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CC6F

Deuteranopia (green-blind)

#CEBF7E

Tritanopia (blue-blind)

#20DAC5

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #51de77;
/* rgb */ color: rgb(81, 222, 119);
/* oklch */ color: oklch(80.1% 0.188 149.0);

Tailwind

colors: {
  custom: {
    50: '#90e9a0',
    500: '#51de77',
    950: '#000000',
  },
}

SCSS

$custom: #51de77;
$custom-light: #90e9a0;
$custom-dark: #000000;

JSON

{
  "hex": "#51de77",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 119
  },
  "hsl": {
    "h": 136.17,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80072,
    "c": 0.18752,
    "h": 149
  },
  "luminance": 0.55324
}

Semantic roles & 50–950 ramp

primary

#51DE77

secondary

#9C3781

accent

#3DBCEB

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DE77

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

Preview Lab → · Contrast checker → · Palette generator →