#66F09E#66F09E

#66F09E is a very light, vivid green. Relative luminance 0.676; OKLCH L 85.8% C 0.167 H 154.5°. Best body text is #000000 at 14.52:1 contrast (WCAG AA passes).

Color values

HEX	#66F09E
RGB	rgb(102, 240, 158)
HSL	hsl(144, 82%, 67%)
HSV	hsv(144, 58%, 94%)
CMYK	cmyk(57.5%, 0%, 34.2%, 5.9%)
CIE-LAB	lab(85.81, -55.58, 28.65)
CIE-LCH	lch(85.81, 62.52, 152.73°)
OKLab	oklab(85.85% -0.1509 0.072)
OKLCH	oklch(85.85% 0.167 154.5)
XYZ	xyz(42.8077, 67.6095, 43.1352)
Luminance	0.6761 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F09E #F066B8

analogous

#73F066 #66F09E #66F0E3

triadic

#66F09E #9E66F0 #F09E66

tetradic

#66F09E #6673F0 #F066B8 #F0E366

square

#66F09E #6673F0 #F066B8 #F0E366

split-complementary

#66F09E #E366F0 #F06673

monochromatic

#14C85D #2EEB7B #66F09E #9EF5C1 #D5FBE5

Accessibility & contrast

On white

1.45

#66F09E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.52

#66F09E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F09E

14.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F09E	#FFFFFF	#000000	##000000
##66F09E	1.00	1.45	14.52	14.52
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.52	21.00	1.00	1.00
##000000	14.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DF99

Deuteranopia (green-blind)

#DDD1A3

Tritanopia (blue-blind)

#37EEDB

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #66f09e;
/* rgb */ color: rgb(102, 240, 158);
/* oklch */ color: oklch(85.8% 0.167 154.5);

Tailwind

colors: {
  custom: {
    50: '#9df6bb',
    500: '#66f09e',
    950: '#000000',
  },
}

SCSS

$custom: #66f09e;
$custom-light: #9df6bb;
$custom-dark: #000000;

JSON

{
  "hex": "#66f09e",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 158
  },
  "hsl": {
    "h": 144.348,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85845,
    "c": 0.16724,
    "h": 154.5
  },
  "luminance": 0.67614
}

Semantic roles & 50–950 ramp

primary

#66F09E

secondary

#C5358B

accent

#0787DF

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F09E

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

Preview Lab → · Contrast checker → · Palette generator →