#66F588#66F588

#66F588 is a very light, vivid green. Relative luminance 0.699; OKLCH L 86.7% C 0.194 H 148.6°. Best body text is #000000 at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#66F588
RGB	rgb(102, 245, 136)
HSL	hsl(134, 88%, 68%)
HSV	hsv(134, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 44.5%, 3.9%)
CIE-LAB	lab(86.95, -61.19, 41.10)
CIE-LCH	lch(86.95, 73.71, 146.11°)
OKLab	oklab(86.67% -0.1654 0.1008)
OKLCH	oklch(86.67% 0.194 148.6)
XYZ	xyz(42.5729, 69.9032, 34.5369)
Luminance	0.6991 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F588 #F566D3

analogous

#8BF566 #66F588 #66F5D0

triadic

#66F588 #8866F5 #F58866

tetradic

#66F588 #668BF5 #F566D3 #F5D066

square

#66F588 #668BF5 #F566D3 #F5D066

split-complementary

#66F588 #D066F5 #F5668B

monochromatic

#0ED33D #2DF15B #66F588 #9FF9B5 #D9FDE1

Accessibility & contrast

On white

1.40

#66F588 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.98

#66F588 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F588

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F588	#FFFFFF	#000000	##000000
##66F588	1.00	1.40	14.98	14.98
#FFFFFF	1.40	1.00	21.00	21.00
#000000	14.98	21.00	1.00	1.00
##000000	14.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7E280

Deuteranopia (green-blind)

#E4D58F

Tritanopia (blue-blind)

#41F1DB

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #66f588;
/* rgb */ color: rgb(102, 245, 136);
/* oklch */ color: oklch(86.7% 0.194 148.6);

Tailwind

colors: {
  custom: {
    50: '#9ef9ac',
    500: '#66f588',
    950: '#000000',
  },
}

SCSS

$custom: #66f588;
$custom-light: #9ef9ac;
$custom-dark: #000000;

JSON

{
  "hex": "#66f588",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 136
  },
  "hsl": {
    "h": 134.266,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.86667,
    "c": 0.19371,
    "h": 148.6
  },
  "luminance": 0.69907
}

Semantic roles & 50–950 ramp

primary

#66F588

secondary

#CE31A9

accent

#01AEE4

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#0F1710

muted

#808581

Preview Lab

Preview with #66F588

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

Preview Lab → · Contrast checker → · Palette generator →