#66F5A9#66F5A9

#66F5A9 is a very light, vivid green. Relative luminance 0.710; OKLCH L 87.3% C 0.164 H 157.0°. Best body text is #000000 at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#66F5A9
RGB	rgb(102, 245, 169)
HSL	hsl(148, 88%, 68%)
HSV	hsv(148, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 31%, 3.9%)
CIE-LAB	lab(87.48, -55.50, 25.31)
CIE-LCH	lch(87.48, 61.00, 155.48°)
OKLab	oklab(87.28% -0.1512 0.064)
OKLCH	oklch(87.28% 0.164 157)
XYZ	xyz(45.2894, 70.9898, 48.8441)
Luminance	0.7099 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5A9 #F566B2

analogous

#6AF566 #66F5A9 #66F5F1

triadic

#66F5A9 #A966F5 #F5A966

tetradic

#66F5A9 #666AF5 #F566B2 #F5F166

square

#66F5A9 #666AF5 #F566B2 #F5F166

split-complementary

#66F5A9 #F166F5 #F5666A

monochromatic

#0ED36A #2DF189 #66F5A9 #9FF9C9 #D9FDEA

Accessibility & contrast

On white

1.38

#66F5A9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.20

#66F5A9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5A9

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5A9	#FFFFFF	#000000	##000000
##66F5A9	1.00	1.38	15.20	15.20
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.20	21.00	1.00	1.00
##000000	15.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3E4A4

Deuteranopia (green-blind)

#E0D6AE

Tritanopia (blue-blind)

#2DF3E1

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f5a9;
/* rgb */ color: rgb(102, 245, 169);
/* oklch */ color: oklch(87.3% 0.164 157.0);

Tailwind

colors: {
  custom: {
    50: '#9df9c3',
    500: '#66f5a9',
    950: '#000000',
  },
}

SCSS

$custom: #66f5a9;
$custom-light: #9df9c3;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5a9",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 169
  },
  "hsl": {
    "h": 148.112,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87277,
    "c": 0.16421,
    "h": 157
  },
  "luminance": 0.70994
}

Semantic roles & 50–950 ramp

primary

#66F5A9

secondary

#CE3185

accent

#017AE4

background

#FCFFFD

surface

#F6FFF9

border

#D0D7D2

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F5A9

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

Preview Lab → · Contrast checker → · Palette generator →