#66C736#66C736

#66C736 is a light, highly saturated green. Relative luminance 0.439; OKLCH L 74.3% C 0.200 H 137.4°. Best body text is #000000 at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#66C736
RGB	rgb(102, 199, 54)
HSL	hsl(100, 57%, 50%)
HSV	hsv(100, 73%, 78%)
CMYK	cmyk(48.7%, 0%, 72.9%, 22%)
CIE-LAB	lab(72.19, -53.19, 60.13)
CIE-LCH	lch(72.19, 80.28, 131.50°)
OKLab	oklab(74.25% -0.1473 0.1355)
OKLCH	oklch(74.25% 0.2 137.4)
XYZ	xyz(26.5679, 43.9361, 10.5699)
Luminance	0.4394 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C736 #9736C7

analogous

#AFC736 #66C736 #36C74F

triadic

#66C736 #3666C7 #C73666

tetradic

#66C736 #36AFC7 #9736C7 #C74F36

square

#66C736 #36AFC7 #9736C7 #C74F36

split-complementary

#66C736 #4F36C7 #C736AF

monochromatic

#35671C #4D9729 #66C736 #8AD565 #AFE295

Accessibility & contrast

On white

2.15

#66C736 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.79

#66C736 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C736

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C736	#FFFFFF	#000000	##000000
##66C736	1.00	2.15	9.79	9.79
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.79	21.00	1.00	1.00
##000000	9.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB61B

Deuteranopia (green-blind)

#C1AE45

Tritanopia (blue-blind)

#60C0AB

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #66c736;
/* rgb */ color: rgb(102, 199, 54);
/* oklch */ color: oklch(74.3% 0.200 137.4);

Tailwind

colors: {
  custom: {
    50: '#9ad976',
    500: '#66c736',
    950: '#000000',
  },
}

SCSS

$custom: #66c736;
$custom-light: #9ad976;
$custom-dark: #000000;

JSON

{
  "hex": "#66c736",
  "rgb": {
    "r": 102,
    "g": 199,
    "b": 54
  },
  "hsl": {
    "h": 100.138,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.74251,
    "c": 0.20015,
    "h": 137.4
  },
  "luminance": 0.43938
}

Semantic roles & 50–950 ramp

primary

#66C736

secondary

#B88BCE

accent

#47E1AE

background

#FAFDF7

surface

#F3FAEE

border

#CDD3C9

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #66C736

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

Preview Lab → · Contrast checker → · Palette generator →