#51FF64#51FF64

#51FF64 is a very light, highly saturated green. Relative luminance 0.742; OKLCH L 88.1% C 0.243 H 144.8°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#51FF64
RGB	rgb(81, 255, 100)
HSL	hsl(127, 100%, 66%)
HSV	hsv(127, 68%, 100%)
CMYK	cmyk(68.2%, 0%, 60.8%, 0%)
CIE-LAB	lab(89.01, -73.46, 59.92)
CIE-LCH	lch(89.01, 94.80, 140.79°)
OKLab	oklab(88.09% -0.1986 0.1403)
OKLCH	oklch(88.09% 0.243 144.8)
XYZ	xyz(41.4509, 74.1849, 24.1887)
Luminance	0.7419 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51FF64 #FF51EC

analogous

#95FF51 #51FF64 #51FFBB

triadic

#51FF64 #6451FF #FF6451

tetradic

#51FF64 #5195FF #FF51EC #FFBB51

square

#51FF64 #5195FF #FF51EC #FFBB51

split-complementary

#51FF64 #BB51FF #FF5195

monochromatic

#00D617 #14FF2D #51FF64 #8EFF9B #CBFFD1

Accessibility & contrast

On white

1.33

#51FF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.84

#51FF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51FF64

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51FF64	#FFFFFF	#000000	##000000
##51FF64	1.00	1.33	15.84	15.84
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.84	21.00	1.00	1.00
##000000	15.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE853

Deuteranopia (green-blind)

#EFDA71

Tritanopia (blue-blind)

#0CF9DE

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #51ff64;
/* rgb */ color: rgb(81, 255, 100);
/* oklch */ color: oklch(88.1% 0.243 144.8);

Tailwind

colors: {
  custom: {
    50: '#97ff95',
    500: '#51ff64',
    950: '#000000',
  },
}

SCSS

$custom: #51ff64;
$custom-light: #97ff95;
$custom-dark: #000000;

JSON

{
  "hex": "#51ff64",
  "rgb": {
    "r": 81,
    "g": 255,
    "b": 100
  },
  "hsl": {
    "h": 126.552,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88087,
    "c": 0.24319,
    "h": 144.8
  },
  "luminance": 0.74189
}

Semantic roles & 50–950 ramp

primary

#51FF64

secondary

#D025BD

accent

#00CCE6

background

#FCFFFC

surface

#F6FFF5

border

#D0D7CF

text

#0F180E

muted

#80867F

Preview Lab

Preview with #51FF64

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

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