#66F99E#66F99E

#66F99E is a very light, vivid green. Relative luminance 0.730; OKLCH L 88.0% C 0.179 H 153.3°. Best body text is #000000 at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#66F99E
RGB	rgb(102, 249, 158)
HSL	hsl(143, 92%, 69%)
HSV	hsv(143, 59%, 98%)
CMYK	cmyk(59%, 0%, 36.5%, 2.4%)
CIE-LAB	lab(88.47, -59.09, 32.21)
CIE-LCH	lch(88.47, 67.29, 151.41°)
OKLab	oklab(88.02% -0.1601 0.0806)
OKLCH	oklch(88.02% 0.179 153.3)
XYZ	xyz(45.5231, 73.0404, 44.0403)
Luminance	0.7305 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F99E #F966C1

analogous

#78F966 #66F99E #66F9E8

triadic

#66F99E #9E66F9 #F99E66

tetradic

#66F99E #6678F9 #F966C1 #F9E866

square

#66F99E #6678F9 #F966C1 #F9E866

split-complementary

#66F99E #E866F9 #F96678

monochromatic

#09DC59 #2BF779 #66F99E #A1FBC3 #DCFEE9

Accessibility & contrast

On white

1.35

#66F99E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.61

#66F99E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F99E

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F99E	#FFFFFF	#000000	##000000
##66F99E	1.00	1.35	15.61	15.61
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.61	21.00	1.00	1.00
##000000	15.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E698

Deuteranopia (green-blind)

#E5D9A4

Tritanopia (blue-blind)

#33F6E2

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #66f99e;
/* rgb */ color: rgb(102, 249, 158);
/* oklch */ color: oklch(88.0% 0.179 153.3);

Tailwind

colors: {
  custom: {
    50: '#9efcbb',
    500: '#66f99e',
    950: '#000000',
  },
}

SCSS

$custom: #66f99e;
$custom-light: #9efcbb;
$custom-dark: #000000;

JSON

{
  "hex": "#66f99e",
  "rgb": {
    "r": 102,
    "g": 249,
    "b": 158
  },
  "hsl": {
    "h": 142.857,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.88023,
    "c": 0.17923,
    "h": 153.3
  },
  "luminance": 0.73045
}

Semantic roles & 50–950 ramp

primary

#66F99E

secondary

#D33095

accent

#008EE6

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#101812

muted

#808682

Preview Lab

Preview with #66F99E

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

Preview Lab → · Contrast checker → · Palette generator →