#66FC63#66FC63

#66FC63 is a very light, highly saturated green. Relative luminance 0.733; OKLCH L 87.9% C 0.233 H 143.0°. Best body text is #000000 at 15.67:1 contrast (WCAG AA passes).

Color values

HEX	#66FC63
RGB	rgb(102, 252, 99)
HSL	hsl(119, 96%, 69%)
HSV	hsv(119, 61%, 99%)
CMYK	cmyk(59.5%, 0%, 60.7%, 1.2%)
CIE-LAB	lab(88.61, -68.45, 60.03)
CIE-LCH	lch(88.61, 91.04, 138.75°)
OKLab	oklab(87.9% -0.1861 0.1404)
OKLCH	oklch(87.9% 0.233 143)
XYZ	xyz(42.5397, 73.3424, 23.7167)
Luminance	0.7335 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FC63 #F963FC

analogous

#B2FC63 #66FC63 #63FCAD

triadic

#66FC63 #6366FC #FC6366

tetradic

#66FC63 #63B2FC #F963FC #FCAD63

square

#66FC63 #63B2FC #F963FC #FCAD63

split-complementary

#66FC63 #AD63FC #FC63B2

monochromatic

#09E004 #2BFB27 #66FC63 #A1FD9F #DCFEDB

Accessibility & contrast

On white

1.34

#66FC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.67

#66FC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FC63

15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FC63	#FFFFFF	#000000	##000000
##66FC63	1.00	1.34	15.67	15.67
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.67	21.00	1.00	1.00
##000000	15.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE652

Deuteranopia (green-blind)

#EEDA70

Tritanopia (blue-blind)

#4BF5DB

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66fc63;
/* rgb */ color: rgb(102, 252, 99);
/* oklch */ color: oklch(87.9% 0.233 143.0);

Tailwind

colors: {
  custom: {
    50: '#a0fe94',
    500: '#66fc63',
    950: '#000000',
  },
}

SCSS

$custom: #66fc63;
$custom-light: #a0fe94;
$custom-dark: #000000;

JSON

{
  "hex": "#66fc63",
  "rgb": {
    "r": 102,
    "g": 252,
    "b": 99
  },
  "hsl": {
    "h": 118.824,
    "s": 96.226,
    "l": 68.824
  },
  "oklch": {
    "l": 0.87899,
    "c": 0.23307,
    "h": 143
  },
  "luminance": 0.73346
}

Semantic roles & 50–950 ramp

primary

#66FC63

secondary

#D32DD6

accent

#00E6E1

background

#FDFFFC

surface

#F7FFF5

border

#D0D7CF

text

#10180E

muted

#81867F

Preview Lab

Preview with #66FC63

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

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