#66BF36#66BF36

#66BF36 is a light, vivid yellow-green. Relative luminance 0.404; OKLCH L 72.2% C 0.190 H 136.8°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#66BF36
RGB	rgb(102, 191, 54)
HSL	hsl(99, 56%, 48%)
HSV	hsv(99, 72%, 75%)
CMYK	cmyk(46.6%, 0%, 71.7%, 25.1%)
CIE-LAB	lab(69.72, -50.08, 57.64)
CIE-LCH	lch(69.72, 76.36, 130.99°)
OKLab	oklab(72.22% -0.1389 0.1303)
OKLCH	oklch(72.22% 0.19 136.8)
XYZ	xyz(24.7754, 40.3511, 9.9724)
Luminance	0.4035 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF36 #8F36BF

analogous

#AABF36 #66BF36 #36BF4A

triadic

#66BF36 #3666BF #BF3666

tetradic

#66BF36 #36AABF #8F36BF #BF4A36

square

#66BF36 #36AABF #8F36BF #BF4A36

split-complementary

#66BF36 #4A36BF #BF36AA

monochromatic

#33601B #4D8F29 #66BF36 #88D260 #ACE090

Accessibility & contrast

On white

2.32

#66BF36 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#66BF36 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF36

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF36	#FFFFFF	#000000	##000000
##66BF36	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF1E

Deuteranopia (green-blind)

#BAA843

Tritanopia (blue-blind)

#61B8A4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66bf36;
/* rgb */ color: rgb(102, 191, 54);
/* oklch */ color: oklch(72.2% 0.190 136.8);

Tailwind

colors: {
  custom: {
    50: '#99d375',
    500: '#66bf36',
    950: '#000000',
  },
}

SCSS

$custom: #66bf36;
$custom-light: #99d375;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf36",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 54
  },
  "hsl": {
    "h": 98.978,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.72223,
    "c": 0.19046,
    "h": 136.8
  },
  "luminance": 0.40353
}

Semantic roles & 50–950 ramp

primary

#66BF36

secondary

#B387CA

accent

#49DFAA

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #66BF36

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

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