#669C4A#669C4A

#669C4A is a light, vivid yellow-green. Relative luminance 0.271; OKLCH L 63.6% C 0.127 H 136.0°. Best body text is #000000 at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#669C4A
RGB	rgb(102, 156, 74)
HSL	hsl(100, 36%, 45%)
HSV	hsv(100, 53%, 61%)
CMYK	cmyk(34.6%, 0%, 52.6%, 38.8%)
CIE-LAB	lab(59.06, -33.24, 37.05)
CIE-LCH	lch(59.06, 49.77, 131.90°)
OKLab	oklab(63.57% -0.0916 0.0885)
OKLCH	oklch(63.57% 0.127 136)
XYZ	xyz(18.6035, 27.0953, 10.7270)
Luminance	0.2710 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C4A #804A9C

analogous

#8F9C4A #669C4A #4A9C57

triadic

#669C4A #4A669C #9C4A66

tetradic

#669C4A #4A8F9C #804A9C #9C574A

square

#669C4A #4A8F9C #804A9C #9C574A

split-complementary

#669C4A #574A9C #9C4A8F

monochromatic

#304923 #4B7236 #669C4A #85B96B #A7CC94

Accessibility & contrast

On white

3.27

#669C4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.42

#669C4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C4A

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C4A	#FFFFFF	#000000	##000000
##669C4A	1.00	3.27	6.42	6.42
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.42	21.00	1.00	1.00
##000000	6.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A19143

Deuteranopia (green-blind)

#998C4F

Tritanopia (blue-blind)

#659789

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c4a;
/* rgb */ color: rgb(102, 156, 74);
/* oklch */ color: oklch(63.6% 0.127 136.0);

Tailwind

colors: {
  custom: {
    50: '#94b97e',
    500: '#669c4a',
    950: '#000000',
  },
}

SCSS

$custom: #669c4a;
$custom-light: #94b97e;
$custom-dark: #000000;

JSON

{
  "hex": "#669c4a",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 74
  },
  "hsl": {
    "h": 99.512,
    "s": 35.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.63571,
    "c": 0.1274,
    "h": 136
  },
  "luminance": 0.27096
}

Semantic roles & 50–950 ramp

primary

#669C4A

secondary

#A889B8

accent

#5CCCA6

background

#F9FBF7

surface

#F2F6EE

border

#CCD0C9

text

#0D110A

muted

#7E807C

Preview Lab

Preview with #669C4A

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

Preview Lab → · Contrast checker → · Palette generator →