#66FB8E#66FB8E

#66FB8E is a very light, vivid green. Relative luminance 0.738; OKLCH L 88.2% C 0.196 H 149.4°. Best body text is #000000 at 15.75:1 contrast (WCAG AA passes).

Color values

HEX	#66FB8E
RGB	rgb(102, 251, 142)
HSL	hsl(136, 95%, 69%)
HSV	hsv(136, 59%, 98%)
CMYK	cmyk(59.4%, 0%, 43.4%, 1.6%)
CIE-LAB	lab(88.81, -62.50, 40.57)
CIE-LCH	lch(88.81, 74.51, 147.01°)
OKLab	oklab(88.23% -0.1689 0.0998)
OKLCH	oklch(88.23% 0.196 149.4)
XYZ	xyz(44.8559, 73.7678, 37.4607)
Luminance	0.7377 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66FB8E #FB66D3

analogous

#89FB66 #66FB8E #66FBD8

triadic

#66FB8E #8E66FB #FB8E66

tetradic

#66FB8E #6689FB #FB66D3 #FBD866

square

#66FB8E #6689FB #FB66D3 #FBD866

split-complementary

#66FB8E #D866FB #FB6689

monochromatic

#06E141 #2AF962 #66FB8E #A2FDBA #DDFEE6

Accessibility & contrast

On white

1.33

#66FB8E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.75

#66FB8E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66FB8E

15.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66FB8E	#FFFFFF	#000000	##000000
##66FB8E	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)

#FDE786

Deuteranopia (green-blind)

#E9DA95

Tritanopia (blue-blind)

#3BF7E1

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #66fb8e;
/* rgb */ color: rgb(102, 251, 142);
/* oklch */ color: oklch(88.2% 0.196 149.4);

Tailwind

colors: {
  custom: {
    50: '#9efeb0',
    500: '#66fb8e',
    950: '#000000',
  },
}

SCSS

$custom: #66fb8e;
$custom-light: #9efeb0;
$custom-dark: #000000;

JSON

{
  "hex": "#66fb8e",
  "rgb": {
    "r": 102,
    "g": 251,
    "b": 142
  },
  "hsl": {
    "h": 136.107,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.88227,
    "c": 0.19618,
    "h": 149.4
  },
  "luminance": 0.73772
}

Semantic roles & 50–950 ramp

primary

#66FB8E

secondary

#D530A9

accent

#00A8E6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101811

muted

#808681

Preview Lab

Preview with #66FB8E

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

Preview Lab → · Contrast checker → · Palette generator →