#66F5BB#66F5BB

#66F5BB is a very light, vivid teal. Relative luminance 0.717; OKLCH L 87.7% C 0.149 H 163.5°. Best body text is #000000 at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#66F5BB
RGB	rgb(102, 245, 187)
HSL	hsl(156, 88%, 68%)
HSV	hsv(156, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 23.7%, 3.9%)
CIE-LAB	lab(87.83, -51.88, 16.55)
CIE-LCH	lch(87.83, 54.46, 162.31°)
OKLab	oklab(87.68% -0.1432 0.0423)
OKLCH	oklch(87.68% 0.149 163.5)
XYZ	xyz(47.0970, 71.7128, 58.3640)
Luminance	0.7172 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5BB #F566A0

analogous

#66F573 #66F5BB #66E8F5

triadic

#66F5BB #BB66F5 #F5BB66

tetradic

#66F5BB #7366F5 #F566A0 #E8F566

square

#66F5BB #7366F5 #F566A0 #E8F566

split-complementary

#66F5BB #F566E8 #F57366

monochromatic

#0ED383 #2DF1A1 #66F5BB #9FF9D5 #D9FDEE

Accessibility & contrast

On white

1.37

#66F5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.34

#66F5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5BB

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5BB	#FFFFFF	#000000	##000000
##66F5BB	1.00	1.37	15.34	15.34
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.34	21.00	1.00	1.00
##000000	15.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1E5B8

Deuteranopia (green-blind)

#DDD6BF

Tritanopia (blue-blind)

#16F5E5

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #66f5bb;
/* rgb */ color: rgb(102, 245, 187);
/* oklch */ color: oklch(87.7% 0.149 163.5);

Tailwind

colors: {
  custom: {
    50: '#9df9cf',
    500: '#66f5bb',
    950: '#000000',
  },
}

SCSS

$custom: #66f5bb;
$custom-light: #9df9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5bb",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 187
  },
  "hsl": {
    "h": 155.664,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87679,
    "c": 0.14934,
    "h": 163.5
  },
  "luminance": 0.71717
}

Semantic roles & 50–950 ramp

primary

#66F5BB

secondary

#CE3171

accent

#015DE4

background

#FCFFFE

surface

#F6FFFB

border

#D0D7D4

text

#0F1713

muted

#808583

Preview Lab

Preview with #66F5BB

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

Preview Lab → · Contrast checker → · Palette generator →