#66BD1E#66BD1E

#66BD1E is a light, vivid yellow-green. Relative luminance 0.393; OKLCH L 71.6% C 0.200 H 135.2°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#66BD1E
RGB	rgb(102, 189, 30)
HSL	hsl(93, 73%, 43%)
HSV	hsv(93, 84%, 74%)
CMYK	cmyk(46%, 0%, 84.1%, 25.9%)
CIE-LAB	lab(68.98, -50.64, 64.32)
CIE-LCH	lch(68.98, 81.87, 128.21°)
OKLab	oklab(71.57% -0.1419 0.1408)
OKLCH	oklch(71.57% 0.2 135.2)
XYZ	xyz(23.9109, 39.3122, 7.5561)
Luminance	0.3931 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BD1E #751EBD

analogous

#B6BD1E #66BD1E #1EBD25

triadic

#66BD1E #1E66BD #BD1E66

tetradic

#66BD1E #1EB6BD #751EBD #BD251E

square

#66BD1E #1EB6BD #751EBD #BD251E

split-complementary

#66BD1E #251EBD #BD1EB6

monochromatic

#2D530D #498816 #66BD1E #84E039 #A5E86D

Accessibility & contrast

On white

2.37

#66BD1E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#66BD1E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BD1E

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BD1E	#FFFFFF	#000000	##000000
##66BD1E	1.00	2.37	8.86	8.86
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.86	21.00	1.00	1.00
##000000	8.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD00

Deuteranopia (green-blind)

#B9A633

Tritanopia (blue-blind)

#63B6A1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66bd1e;
/* rgb */ color: rgb(102, 189, 30);
/* oklch */ color: oklch(71.6% 0.200 135.2);

Tailwind

colors: {
  custom: {
    50: '#9ad16b',
    500: '#66bd1e',
    950: '#000000',
  },
}

SCSS

$custom: #66bd1e;
$custom-light: #9ad16b;
$custom-dark: #000000;

JSON

{
  "hex": "#66bd1e",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 30
  },
  "hsl": {
    "h": 92.83,
    "s": 72.603,
    "l": 42.941
  },
  "oklch": {
    "l": 0.71574,
    "c": 0.19991,
    "h": 135.2
  },
  "luminance": 0.39314
}

Semantic roles & 50–950 ramp

primary

#66BD1E

secondary

#A069CE

accent

#38EF9D

background

#FAFCF6

surface

#F3F9EC

border

#CDD2C7

text

#0F1407

muted

#7F827A

Preview Lab

Preview with #66BD1E

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

Preview Lab → · Contrast checker → · Palette generator →