#66BF24#66BF24

#66BF24 is a light, vivid yellow-green. Relative luminance 0.402; OKLCH L 72.1% C 0.200 H 135.7°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#66BF24
RGB	rgb(102, 191, 36)
HSL	hsl(94, 68%, 45%)
HSV	hsv(94, 81%, 75%)
CMYK	cmyk(46.6%, 0%, 81.2%, 25.1%)
CIE-LAB	lab(69.62, -51.16, 63.36)
CIE-LCH	lch(69.62, 81.43, 128.92°)
OKLab	oklab(72.11% -0.1429 0.1396)
OKLCH	oklch(72.11% 0.2 135.7)
XYZ	xyz(24.4281, 40.2122, 8.1433)
Luminance	0.4021 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BF24 #7D24BF

analogous

#B3BF24 #66BF24 #24BF30

triadic

#66BF24 #2466BF #BF2466

tetradic

#66BF24 #24B3BF #7D24BF #BF3024

square

#66BF24 #24B3BF #7D24BF #BF3024

split-complementary

#66BF24 #3024BF #BF24B3

monochromatic

#2F5811 #4B8C1A #66BF24 #85DC44 #A7E678

Accessibility & contrast

On white

2.32

#66BF24 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#66BF24 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BF24

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BF24	#FFFFFF	#000000	##000000
##66BF24	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)

#BAA737

Tritanopia (blue-blind)

#63B8A3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66bf24;
/* rgb */ color: rgb(102, 191, 36);
/* oklch */ color: oklch(72.1% 0.200 135.7);

Tailwind

colors: {
  custom: {
    50: '#9ad36d',
    500: '#66bf24',
    950: '#000000',
  },
}

SCSS

$custom: #66bf24;
$custom-light: #9ad36d;
$custom-dark: #000000;

JSON

{
  "hex": "#66bf24",
  "rgb": {
    "r": 102,
    "g": 191,
    "b": 36
  },
  "hsl": {
    "h": 94.452,
    "s": 68.282,
    "l": 44.51
  },
  "oklch": {
    "l": 0.72111,
    "c": 0.19984,
    "h": 135.7
  },
  "luminance": 0.40214
}

Semantic roles & 50–950 ramp

primary

#66BF24

secondary

#A672CD

accent

#3DEBA1

background

#FAFDF7

surface

#F3FAED

border

#CDD3C8

text

#0F1408

muted

#7F837B

Preview Lab

Preview with #66BF24

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

Preview Lab → · Contrast checker → · Palette generator →