#66D699#66D699

#66D699 is a light, vivid green. Relative luminance 0.532; OKLCH L 79.4% C 0.136 H 157.4°. Best body text is #000000 at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#66D699
RGB	rgb(102, 214, 153)
HSL	hsl(147, 58%, 62%)
HSV	hsv(147, 52%, 84%)
CMYK	cmyk(52.3%, 0%, 28.5%, 16.1%)
CIE-LAB	lab(78.00, -45.87, 20.59)
CIE-LCH	lch(78.00, 50.28, 155.82°)
OKLab	oklab(79.43% -0.1255 0.0523)
OKLCH	oklch(79.43% 0.136 157.4)
XYZ	xyz(35.2730, 53.2148, 38.5435)
Luminance	0.5322 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D699 #D666A3

analogous

#6BD666 #66D699 #66D6D1

triadic

#66D699 #9966D6 #D69966

tetradic

#66D699 #666BD6 #D666A3 #D6D166

square

#66D699 #666BD6 #D666A3 #D6D166

split-complementary

#66D699 #D166D6 #D6666B

monochromatic

#29995C #36C979 #66D699 #96E3B9 #C7F0D9

Accessibility & contrast

On white

1.80

#66D699 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.64

#66D699 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D699

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D699	#FFFFFF	#000000	##000000
##66D699	1.00	1.80	11.64	11.64
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.64	21.00	1.00	1.00
##000000	11.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C895

Deuteranopia (green-blind)

#C4BC9D

Tritanopia (blue-blind)

#44D5C6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66d699;
/* rgb */ color: rgb(102, 214, 153);
/* oklch */ color: oklch(79.4% 0.136 157.4);

Tailwind

colors: {
  custom: {
    50: '#99e3b7',
    500: '#66d699',
    950: '#000000',
  },
}

SCSS

$custom: #66d699;
$custom-light: #99e3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#66d699",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 153
  },
  "hsl": {
    "h": 147.321,
    "s": 57.732,
    "l": 61.961
  },
  "oklch": {
    "l": 0.79429,
    "c": 0.13597,
    "h": 157.4
  },
  "luminance": 0.53218
}

Semantic roles & 50–950 ramp

primary

#66D699

secondary

#9D4374

accent

#207AC5

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1511

muted

#7F8481

Preview Lab

Preview with #66D699

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

Preview Lab → · Contrast checker → · Palette generator →