#669C3F#669C3F

#669C3F is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.4% C 0.138 H 134.1°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#669C3F
RGB	rgb(102, 156, 63)
HSL	hsl(95, 42%, 43%)
HSV	hsv(95, 60%, 61%)
CMYK	cmyk(34.6%, 0%, 59.6%, 38.8%)
CIE-LAB	lab(58.94, -34.47, 42.26)
CIE-LCH	lch(58.94, 54.54, 129.20°)
OKLab	oklab(63.43% -0.0958 0.0989)
OKLCH	oklch(63.43% 0.138 134.1)
XYZ	xyz(18.2648, 26.9599, 8.9431)
Luminance	0.2696 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C3F #753F9C

analogous

#949C3F #669C3F #3F9C46

triadic

#669C3F #3F669C #9C3F66

tetradic

#669C3F #3F949C #753F9C #9C463F

square

#669C3F #3F949C #753F9C #9C463F

split-complementary

#669C3F #463F9C #9C3F94

monochromatic

#2D451C #49702D #669C3F #84BD5B #A5CE87

Accessibility & contrast

On white

3.29

#669C3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#669C3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C3F

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C3F	#FFFFFF	#000000	##000000
##669C3F	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)

#A29135

Deuteranopia (green-blind)

#9A8C46

Tritanopia (blue-blind)

#669688

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c3f;
/* rgb */ color: rgb(102, 156, 63);
/* oklch */ color: oklch(63.4% 0.138 134.1);

Tailwind

colors: {
  custom: {
    50: '#95b977',
    500: '#669c3f',
    950: '#000000',
  },
}

SCSS

$custom: #669c3f;
$custom-light: #95b977;
$custom-dark: #000000;

JSON

{
  "hex": "#669c3f",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 63
  },
  "hsl": {
    "h": 94.839,
    "s": 42.466,
    "l": 42.941
  },
  "oklch": {
    "l": 0.63428,
    "c": 0.13768,
    "h": 134.1
  },
  "luminance": 0.26961
}

Semantic roles & 50–950 ramp

primary

#669C3F

secondary

#A07EB9

accent

#56D29E

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1109

muted

#7E807B

Preview Lab

Preview with #669C3F

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

Preview Lab → · Contrast checker → · Palette generator →