#66F09A#66F09A

#66F09A is a very light, vivid green. Relative luminance 0.675; OKLCH L 85.8% C 0.171 H 153.4°. Best body text is #000000 at 14.50:1 contrast (WCAG AA passes).

Color values

HEX	#66F09A
RGB	rgb(102, 240, 154)
HSL	hsl(143, 82%, 67%)
HSV	hsv(143, 58%, 94%)
CMYK	cmyk(57.5%, 0%, 35.8%, 5.9%)
CIE-LAB	lab(85.74, -56.30, 30.58)
CIE-LCH	lch(85.74, 64.07, 151.49°)
OKLab	oklab(85.77% -0.1527 0.0766)
OKLCH	oklch(85.77% 0.171 153.4)
XYZ	xyz(42.4690, 67.4740, 41.3513)
Luminance	0.6748 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F09A #F066BC

analogous

#77F066 #66F09A #66F0DF

triadic

#66F09A #9A66F0 #F09A66

tetradic

#66F09A #6677F0 #F066BC #F0DF66

square

#66F09A #6677F0 #F066BC #F0DF66

split-complementary

#66F09A #DF66F0 #F06677

monochromatic

#14C858 #2EEB75 #66F09A #9EF5BF #D5FBE4

Accessibility & contrast

On white

1.45

#66F09A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.50

#66F09A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F09A

14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F09A	#FFFFFF	#000000	##000000
##66F09A	1.00	1.45	14.50	14.50
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.50	21.00	1.00	1.00
##000000	14.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0DE94

Deuteranopia (green-blind)

#DDD19F

Tritanopia (blue-blind)

#3AEDDA

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #66f09a;
/* rgb */ color: rgb(102, 240, 154);
/* oklch */ color: oklch(85.8% 0.171 153.4);

Tailwind

colors: {
  custom: {
    50: '#9df6b8',
    500: '#66f09a',
    950: '#000000',
  },
}

SCSS

$custom: #66f09a;
$custom-light: #9df6b8;
$custom-dark: #000000;

JSON

{
  "hex": "#66f09a",
  "rgb": {
    "r": 102,
    "g": 240,
    "b": 154
  },
  "hsl": {
    "h": 142.609,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85767,
    "c": 0.17083,
    "h": 153.4
  },
  "luminance": 0.67478
}

Semantic roles & 50–950 ramp

primary

#66F09A

secondary

#C5358F

accent

#078DDF

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #66F09A

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

Preview Lab → · Contrast checker → · Palette generator →