#66BF22#66BF22

#66BF22 is a light, highly saturated yellow-green. Relative luminance 0.402; OKLCH L 72.1% C 0.201 H 135.6°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#66BF22
RGB	rgb(102, 191, 34)
HSL	hsl(94, 70%, 44%)
HSV	hsv(94, 82%, 75%)
CMYK	cmyk(46.6%, 0%, 82.2%, 25.1%)
CIE-LAB	lab(69.61, -51.25, 63.89)
CIE-LCH	lch(69.61, 81.90, 128.74°)
OKLab	oklab(72.1% -0.1433 0.1405)
OKLCH	oklch(72.1% 0.201 135.6)
XYZ	xyz(24.3984, 40.2003, 7.9869)
Luminance	0.4020 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF22 #7B22BF

analogous

#B5BF22 #66BF22 #22BF2D

triadic

#66BF22 #2266BF #BF2266

tetradic

#66BF22 #22B5BF #7B22BF #BF2D22

square

#66BF22 #22B5BF #7B22BF #BF2D22

split-complementary

#66BF22 #2D22BF #BF22B5

monochromatic

#2F5710 #4A8B19 #66BF22 #85DD41 #A6E675

Accessibility & contrast

On white

2.32

#66BF22 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#66BF22 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF22

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF22	#FFFFFF	#000000	##000000
##66BF22	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6AF00

Deuteranopia (green-blind)

#BAA736

Tritanopia (blue-blind)

#63B8A3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66bf22;
/* rgb */ color: rgb(102, 191, 34);
/* oklch */ color: oklch(72.1% 0.201 135.6);

Tailwind

colors: {
  custom: {
    50: '#9ad36c',
    500: '#66bf22',
    950: '#000000',
  },
}

SCSS

$custom: #66bf22;
$custom-light: #9ad36c;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf22",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 34
  },
  "hsl": {
    "h": 94.013,
    "s": 69.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.72101,
    "c": 0.20067,
    "h": 135.6
  },
  "luminance": 0.40202
}

Semantic roles & 50–950 ramp

primary

#66BF22

secondary

#A56FCE

accent

#3BEDA0

background

#FAFDF6

surface

#F3FAEC

border

#CDD3C7

text

#0F1408

muted

#7F837A

Preview Lab

Preview with #66BF22

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

Preview Lab → · Contrast checker → · Palette generator →