#669C3C#669C3C

#669C3C is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.4% C 0.140 H 133.7°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#669C3C
RGB	rgb(102, 156, 60)
HSL	hsl(94, 44%, 42%)
HSV	hsv(94, 62%, 61%)
CMYK	cmyk(34.6%, 0%, 61.5%, 38.8%)
CIE-LAB	lab(58.91, -34.77, 43.63)
CIE-LCH	lch(58.91, 55.79, 128.56°)
OKLab	oklab(63.39% -0.0969 0.1015)
OKLCH	oklch(63.39% 0.14 133.7)
XYZ	xyz(18.1832, 26.9272, 8.5135)
Luminance	0.2693 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C3C #723C9C

analogous

#969C3C #669C3C #3C9C42

triadic

#669C3C #3C669C #9C3C66

tetradic

#669C3C #3C969C #723C9C #9C423C

square

#669C3C #3C969C #723C9C #9C423C

split-complementary

#669C3C #423C9C #9C3C96

monochromatic

#2C441A #49702B #669C3C #84BE57 #A4CF83

Accessibility & contrast

On white

3.29

#669C3C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#669C3C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C3C

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C3C	#FFFFFF	#000000	##000000
##669C3C	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29131

Deuteranopia (green-blind)

#9A8C43

Tritanopia (blue-blind)

#669687

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c3c;
/* rgb */ color: rgb(102, 156, 60);
/* oklch */ color: oklch(63.4% 0.140 133.7);

Tailwind

colors: {
  custom: {
    50: '#95b975',
    500: '#669c3c',
    950: '#000000',
  },
}

SCSS

$custom: #669c3c;
$custom-light: #95b975;
$custom-dark: #000000;

JSON

{
  "hex": "#669c3c",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 60
  },
  "hsl": {
    "h": 93.75,
    "s": 44.444,
    "l": 42.353
  },
  "oklch": {
    "l": 0.63394,
    "c": 0.14029,
    "h": 133.7
  },
  "luminance": 0.26928
}

Semantic roles & 50–950 ramp

primary

#669C3C

secondary

#9E7AB9

accent

#54D49C

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1109

muted

#7E807B

Preview Lab

Preview with #669C3C

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

Preview Lab → · Contrast checker → · Palette generator →