#66AA22#66AA22

#66AA22 is a light, vivid yellow-green. Relative luminance 0.317; OKLCH L 66.7% C 0.176 H 133.3°. Best body text is #000000 at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#66AA22
RGB	rgb(102, 170, 34)
HSL	hsl(90, 67%, 40%)
HSV	hsv(90, 80%, 67%)
CMYK	cmyk(40%, 0%, 80%, 33.3%)
CIE-LAB	lab(63.08, -42.78, 57.91)
CIE-LCH	lch(63.08, 72.00, 126.45°)
OKLab	oklab(66.75% -0.1206 0.1279)
OKLCH	oklch(66.75% 0.176 133.3)
XYZ	xyz(20.1426, 31.6887, 6.5683)
Luminance	0.3169 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AA22 #6622AA

analogous

#AAAA22 #66AA22 #22AA22

triadic

#66AA22 #2266AA #AA2266

tetradic

#66AA22 #22AAAA #6622AA #AA2222

square

#66AA22 #22AAAA #6622AA #AA2222

split-complementary

#66AA22 #2222AA #AA22AA

monochromatic

#29440E #477718 #66AA22 #85D633 #A3E066

Accessibility & contrast

On white

2.86

#66AA22 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.34

#66AA22 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AA22

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AA22	#FFFFFF	#000000	##000000
##66AA22	1.00	2.86	7.34	7.34
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.34	21.00	1.00	1.00
##000000	7.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19C00

Deuteranopia (green-blind)

#A89731

Tritanopia (blue-blind)

#66A391

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #66aa22;
/* rgb */ color: rgb(102, 170, 34);
/* oklch */ color: oklch(66.7% 0.176 133.3);

Tailwind

colors: {
  custom: {
    50: '#98c469',
    500: '#66aa22',
    950: '#000000',
  },
}

SCSS

$custom: #66aa22;
$custom-light: #98c469;
$custom-dark: #000000;

JSON

{
  "hex": "#66aa22",
  "rgb": {
    "r": 102,
    "g": 170,
    "b": 34
  },
  "hsl": {
    "h": 90,
    "s": 66.667,
    "l": 40
  },
  "oklch": {
    "l": 0.66746,
    "c": 0.17579,
    "h": 133.3
  },
  "luminance": 0.3169
}

Semantic roles & 50–950 ramp

primary

#66AA22

secondary

#9462C6

accent

#3EEA94

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #66AA22

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

Preview Lab → · Contrast checker → · Palette generator →