#66F888#66F888

#66F888 is a very light, vivid green. Relative luminance 0.717; OKLCH L 87.4% C 0.198 H 148.5°. Best body text is #000000 at 15.35:1 contrast (WCAG AA passes).

Color values

HEX	#66F888
RGB	rgb(102, 248, 136)
HSL	hsl(134, 91%, 69%)
HSV	hsv(134, 59%, 97%)
CMYK	cmyk(58.9%, 0%, 45.2%, 2.7%)
CIE-LAB	lab(87.84, -62.30, 42.24)
CIE-LCH	lch(87.84, 75.27, 145.87°)
OKLab	oklab(87.4% -0.1684 0.1034)
OKLCH	oklch(87.4% 0.198 148.5)
XYZ	xyz(43.4878, 71.7330, 34.8419)
Luminance	0.7174 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F888 #F866D6

analogous

#8DF866 #66F888 #66F8D1

triadic

#66F888 #8866F8 #F88866

tetradic

#66F888 #668DF8 #F866D6 #F8D166

square

#66F888 #668DF8 #F866D6 #F8D166

split-complementary

#66F888 #D166F8 #F8668D

monochromatic

#0ADA3A #2BF55A #66F888 #A1FBB6 #DBFDE3

Accessibility & contrast

On white

1.37

#66F888 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.35

#66F888 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F888

15.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F888	#FFFFFF	#000000	##000000
##66F888	1.00	1.37	15.35	15.35
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.35	21.00	1.00	1.00
##000000	15.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FAE47F

Deuteranopia (green-blind)

#E7D790

Tritanopia (blue-blind)

#40F3DD

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f888;
/* rgb */ color: rgb(102, 248, 136);
/* oklch */ color: oklch(87.4% 0.198 148.5);

Tailwind

colors: {
  custom: {
    50: '#9efcac',
    500: '#66f888',
    950: '#000000',
  },
}

SCSS

$custom: #66f888;
$custom-light: #9efcac;
$custom-dark: #000000;

JSON

{
  "hex": "#66f888",
  "rgb": {
    "r": 102,
    "g": 248,
    "b": 136
  },
  "hsl": {
    "h": 133.973,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.874,
    "c": 0.19762,
    "h": 148.5
  },
  "luminance": 0.71737
}

Semantic roles & 50–950 ramp

primary

#66F888

secondary

#D231AC

accent

#00B0E6

background

#FCFFFD

surface

#F6FFF7

border

#D0D7D0

text

#101810

muted

#808681

Preview Lab

Preview with #66F888

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

Preview Lab → · Contrast checker → · Palette generator →