#66FB8D#66FB8D

#66FB8D is a very light, vivid green. Relative luminance 0.737; OKLCH L 88.2% C 0.197 H 149.2°. Best body text is #000000 at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#66FB8D
RGB	rgb(102, 251, 141)
HSL	hsl(136, 95%, 69%)
HSV	hsv(136, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 43.8%, 1.6%)
CIE-LAB	lab(88.80, -62.65, 41.04)
CIE-LCH	lch(88.80, 74.90, 146.78°)
OKLab	oklab(88.21% -0.1693 0.1008)
OKLCH	oklch(88.21% 0.197 149.2)
XYZ	xyz(44.7812, 73.7379, 37.0671)
Luminance	0.7374 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB8D #FB66D4

analogous

#8AFB66 #66FB8D #66FBD8

triadic

#66FB8D #8D66FB #FB8D66

tetradic

#66FB8D #668AFB #FB66D4 #FBD866

square

#66FB8D #668AFB #FB66D4 #FBD866

split-complementary

#66FB8D #D866FB #FB668A

monochromatic

#06E13F #2AF961 #66FB8D #A2FDB9 #DDFEE6

Accessibility & contrast

On white

1.33

#66FB8D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.75

#66FB8D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB8D

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB8D	#FFFFFF	#000000	##000000
##66FB8D	1.00	1.33	15.75	15.75
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.75	21.00	1.00	1.00
##000000	15.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE785

Deuteranopia (green-blind)

#E9DA94

Tritanopia (blue-blind)

#3CF7E0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66fb8d;
/* rgb */ color: rgb(102, 251, 141);
/* oklch */ color: oklch(88.2% 0.197 149.2);

Tailwind

colors: {
  custom: {
    50: '#9efeaf',
    500: '#66fb8d',
    950: '#000000',
  },
}

SCSS

$custom: #66fb8d;
$custom-light: #9efeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb8d",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 141
  },
  "hsl": {
    "h": 135.705,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.88211,
    "c": 0.19706,
    "h": 149.2
  },
  "luminance": 0.73742
}

Semantic roles & 50–950 ramp

primary

#66FB8D

secondary

#D530AA

accent

#00A9E6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101810

muted

#808681

Preview Lab

Preview with #66FB8D

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

Preview Lab → · Contrast checker → · Palette generator →