#51EE63#51EE63

#51EE63 is a very light, highly saturated green. Relative luminance 0.638; OKLCH L 83.8% C 0.224 H 145.0°. Best body text is #000000 at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#51EE63
RGB	rgb(81, 238, 99)
HSL	hsl(127, 82%, 63%)
HSV	hsv(127, 66%, 93%)
CMYK	cmyk(66%, 0%, 58.4%, 6.7%)
CIE-LAB	lab(83.86, -67.94, 54.44)
CIE-LCH	lch(83.86, 87.06, 141.29°)
OKLab	oklab(83.82% -0.1837 0.1285)
OKLCH	oklch(83.82% 0.224 145)
XYZ	xyz(36.2176, 63.7955, 22.2070)
Luminance	0.6380 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EE63 #EE51DC

analogous

#8DEE51 #51EE63 #51EEB2

triadic

#51EE63 #6351EE #EE6351

tetradic

#51EE63 #518DEE #EE51DC #EEB251

square

#51EE63 #518DEE #EE51DC #EEB251

split-complementary

#51EE63 #B251EE #EE518D

monochromatic

#11B324 #19E931 #51EE63 #89F395 #C1F9C7

Accessibility & contrast

On white

1.53

#51EE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.76

#51EE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EE63

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EE63	#FFFFFF	#000000	##000000
##51EE63	1.00	1.53	13.76	13.76
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.76	21.00	1.00	1.00
##000000	13.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D955

Deuteranopia (green-blind)

#DFCC6E

Tritanopia (blue-blind)

#21E8D0

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #51ee63;
/* rgb */ color: rgb(81, 238, 99);
/* oklch */ color: oklch(83.8% 0.224 145.0);

Tailwind

colors: {
  custom: {
    50: '#94f593',
    500: '#51ee63',
    950: '#000000',
  },
}

SCSS

$custom: #51ee63;
$custom-light: #94f593;
$custom-dark: #000000;

JSON

{
  "hex": "#51ee63",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 99
  },
  "hsl": {
    "h": 126.879,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.83821,
    "c": 0.22417,
    "h": 145
  },
  "luminance": 0.63799
}

Semantic roles & 50–950 ramp

primary

#51EE63

secondary

#B330A4

accent

#07C6DF

background

#FCFFFC

surface

#F5FFF4

border

#CFD7CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #51EE63

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

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