#66F59F#66F59F

#66F59F is a very light, vivid green. Relative luminance 0.706; OKLCH L 87.1% C 0.173 H 154.1°. Best body text is #000000 at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#66F59F
RGB	rgb(102, 245, 159)
HSL	hsl(144, 88%, 68%)
HSV	hsv(144, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 35.1%, 3.9%)
CIE-LAB	lab(87.30, -57.36, 30.15)
CIE-LCH	lch(87.30, 64.80, 152.27°)
OKLab	oklab(87.08% -0.1556 0.0757)
OKLCH	oklch(87.08% 0.173 154.1)
XYZ	xyz(44.3863, 70.6285, 44.0877)
Luminance	0.7063 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F59F #F566BC

analogous

#74F566 #66F59F #66F5E6

triadic

#66F59F #9F66F5 #F59F66

tetradic

#66F59F #6674F5 #F566BC #F5E666

square

#66F59F #6674F5 #F566BC #F5E666

split-complementary

#66F59F #E666F5 #F56674

monochromatic

#0ED35C #2DF17B #66F59F #9FF9C3 #D9FDE7

Accessibility & contrast

On white

1.39

#66F59F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.13

#66F59F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F59F

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F59F	#FFFFFF	#000000	##000000
##66F59F	1.00	1.39	15.13	15.13
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.13	21.00	1.00	1.00
##000000	15.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5E399

Deuteranopia (green-blind)

#E1D5A4

Tritanopia (blue-blind)

#34F2DF

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f59f;
/* rgb */ color: rgb(102, 245, 159);
/* oklch */ color: oklch(87.1% 0.173 154.1);

Tailwind

colors: {
  custom: {
    50: '#9df9bc',
    500: '#66f59f',
    950: '#000000',
  },
}

SCSS

$custom: #66f59f;
$custom-light: #9df9bc;
$custom-dark: #000000;

JSON

{
  "hex": "#66f59f",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 159
  },
  "hsl": {
    "h": 143.916,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87075,
    "c": 0.17303,
    "h": 154.1
  },
  "luminance": 0.70633
}

Semantic roles & 50–950 ramp

primary

#66F59F

secondary

#CE318F

accent

#018AE4

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F59F

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

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