#66F5A3#66F5A3

#66F5A3 is a very light, vivid green. Relative luminance 0.708; OKLCH L 87.2% C 0.169 H 155.2°. Best body text is #000000 at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#66F5A3
RGB	rgb(102, 245, 163)
HSL	hsl(146, 88%, 68%)
HSV	hsv(146, 58%, 96%)
CMYK	cmyk(58.4%, 0%, 33.5%, 3.9%)
CIE-LAB	lab(87.37, -56.63, 28.22)
CIE-LCH	lch(87.37, 63.27, 153.51°)
OKLab	oklab(87.15% -0.1539 0.0711)
OKLCH	oklch(87.15% 0.169 155.2)
XYZ	xyz(44.7390, 70.7696, 45.9454)
Luminance	0.7077 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66F5A3 #F566B8

analogous

#71F566 #66F5A3 #66F5EA

triadic

#66F5A3 #A366F5 #F5A366

tetradic

#66F5A3 #6671F5 #F566B8 #F5EA66

square

#66F5A3 #6671F5 #F566B8 #F5EA66

split-complementary

#66F5A3 #EA66F5 #F56671

monochromatic

#0ED362 #2DF180 #66F5A3 #9FF9C6 #D9FDE8

Accessibility & contrast

On white

1.39

#66F5A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.15

#66F5A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F5A3

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66F5A3	#FFFFFF	#000000	##000000
##66F5A3	1.00	1.39	15.15	15.15
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.15	21.00	1.00	1.00
##000000	15.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4E39E

Deuteranopia (green-blind)

#E1D5A8

Tritanopia (blue-blind)

#31F3E0

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66f5a3;
/* rgb */ color: rgb(102, 245, 163);
/* oklch */ color: oklch(87.2% 0.169 155.2);

Tailwind

colors: {
  custom: {
    50: '#9df9be',
    500: '#66f5a3',
    950: '#000000',
  },
}

SCSS

$custom: #66f5a3;
$custom-light: #9df9be;
$custom-dark: #000000;

JSON

{
  "hex": "#66f5a3",
  "rgb": {
    "r": 102,
    "g": 245,
    "b": 163
  },
  "hsl": {
    "h": 145.594,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.87154,
    "c": 0.16947,
    "h": 155.2
  },
  "luminance": 0.70774
}

Semantic roles & 50–950 ramp

primary

#66F5A3

secondary

#CE318B

accent

#0183E4

background

#FCFFFD

surface

#F6FFF8

border

#D0D7D1

text

#0F1712

muted

#808582

Preview Lab

Preview with #66F5A3

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

Preview Lab → · Contrast checker → · Palette generator →