#66BD24#66BD24

#66BD24 is a light, vivid yellow-green. Relative luminance 0.393; OKLCH L 71.6% C 0.198 H 135.5°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#66BD24
RGB	rgb(102, 189, 36)
HSL	hsl(94, 68%, 44%)
HSV	hsv(94, 81%, 74%)
CMYK	cmyk(46%, 0%, 81%, 25.9%)
CIE-LAB	lab(69.00, -50.38, 62.79)
CIE-LCH	lch(69.00, 80.50, 128.74°)
OKLab	oklab(71.6% -0.1409 0.1385)
OKLCH	oklch(71.6% 0.198 135.5)
XYZ	xyz(23.9949, 39.3458, 7.9989)
Luminance	0.3935 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BD24 #7B24BD

analogous

#B3BD24 #66BD24 #24BD2F

triadic

#66BD24 #2466BD #BD2466

tetradic

#66BD24 #24B3BD #7B24BD #BD2F24

square

#66BD24 #24B3BD #7B24BD #BD2F24

split-complementary

#66BD24 #2F24BD #BD24B3

monochromatic

#2F5610 #4A8A1A #66BD24 #85DB43 #A6E576

Accessibility & contrast

On white

2.37

#66BD24 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#66BD24 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BD24

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BD24	#FFFFFF	#000000	##000000
##66BD24	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD00

Deuteranopia (green-blind)

#B9A636

Tritanopia (blue-blind)

#63B6A1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66bd24;
/* rgb */ color: rgb(102, 189, 36);
/* oklch */ color: oklch(71.6% 0.198 135.5);

Tailwind

colors: {
  custom: {
    50: '#9ad16d',
    500: '#66bd24',
    950: '#000000',
  },
}

SCSS

$custom: #66bd24;
$custom-light: #9ad16d;
$custom-dark: #000000;

JSON

{
  "hex": "#66bd24",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 36
  },
  "hsl": {
    "h": 94.118,
    "s": 68,
    "l": 44.118
  },
  "oklch": {
    "l": 0.71602,
    "c": 0.19751,
    "h": 135.5
  },
  "luminance": 0.39347
}

Semantic roles & 50–950 ramp

primary

#66BD24

secondary

#A570CC

accent

#3DEBA0

background

#FAFCF6

surface

#F3F9EC

border

#CDD2C7

text

#0F1408

muted

#7F827A

Preview Lab

Preview with #66BD24

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

Preview Lab → · Contrast checker → · Palette generator →