#66BD22#66BD22

#66BD22 is a light, vivid yellow-green. Relative luminance 0.393; OKLCH L 71.6% C 0.198 H 135.4°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#66BD22
RGB	rgb(102, 189, 34)
HSL	hsl(94, 70%, 44%)
HSV	hsv(94, 82%, 74%)
CMYK	cmyk(46%, 0%, 82%, 25.9%)
CIE-LAB	lab(68.99, -50.47, 63.33)
CIE-LCH	lch(68.99, 80.98, 128.55°)
OKLab	oklab(71.59% -0.1412 0.1393)
OKLCH	oklch(71.59% 0.198 135.4)
XYZ	xyz(23.9653, 39.3340, 7.8425)
Luminance	0.3933 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BD22 #7922BD

analogous

#B3BD22 #66BD22 #22BD2B

triadic

#66BD22 #2266BD #BD2266

tetradic

#66BD22 #22B3BD #7922BD #BD2B22

square

#66BD22 #22B3BD #7922BD #BD2B22

split-complementary

#66BD22 #2B22BD #BD22B3

monochromatic

#2E550F #4A8919 #66BD22 #84DD40 #A6E673

Accessibility & contrast

On white

2.37

#66BD22 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#66BD22 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BD22

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BD22	#FFFFFF	#000000	##000000
##66BD22	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)

#B9A635

Tritanopia (blue-blind)

#63B6A1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66bd22;
/* rgb */ color: rgb(102, 189, 34);
/* oklch */ color: oklch(71.6% 0.198 135.4);

Tailwind

colors: {
  custom: {
    50: '#9ad16c',
    500: '#66bd22',
    950: '#000000',
  },
}

SCSS

$custom: #66bd22;
$custom-light: #9ad16c;
$custom-dark: #000000;

JSON

{
  "hex": "#66bd22",
  "rgb": {
    "r": 102,
    "g": 189,
    "b": 34
  },
  "hsl": {
    "h": 93.677,
    "s": 69.507,
    "l": 43.725
  },
  "oklch": {
    "l": 0.71592,
    "c": 0.19836,
    "h": 135.4
  },
  "luminance": 0.39335
}

Semantic roles & 50–950 ramp

primary

#66BD22

secondary

#A36ECD

accent

#3BEC9F

background

#FAFCF6

surface

#F3F9EC

border

#CDD2C7

text

#0F1408

muted

#7F827A

Preview Lab

Preview with #66BD22

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

Preview Lab → · Contrast checker → · Palette generator →