#669F37#669F37

#669F37 is a light, vivid yellow-green. Relative luminance 0.279; OKLCH L 64.1% C 0.149 H 133.5°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#669F37
RGB	rgb(102, 159, 55)
HSL	hsl(93, 49%, 42%)
HSV	hsv(93, 65%, 62%)
CMYK	cmyk(35.8%, 0%, 65.4%, 37.6%)
CIE-LAB	lab(59.79, -36.59, 46.84)
CIE-LCH	lch(59.79, 59.44, 127.99°)
OKLab	oklab(64.1% -0.1022 0.1077)
OKLCH	oklch(64.1% 0.149 133.5)
XYZ	xyz(18.5669, 27.8961, 8.0199)
Luminance	0.2790 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669F37 #70379F

analogous

#9A9F37 #669F37 #379F3C

triadic

#669F37 #37669F #9F3766

tetradic

#669F37 #379A9F #70379F #9F3C37

square

#669F37 #379A9F #70379F #9F3C37

split-complementary

#669F37 #3C379F #9F379A

monochromatic

#2C4418 #497227 #669F37 #84C351 #A4D27E

Accessibility & contrast

On white

3.19

#669F37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#669F37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669F37

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669F37	#FFFFFF	#000000	##000000
##669F37	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5932A

Deuteranopia (green-blind)

#9D8E3F

Tritanopia (blue-blind)

#669989

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #669f37;
/* rgb */ color: rgb(102, 159, 55);
/* oklch */ color: oklch(64.1% 0.149 133.5);

Tailwind

colors: {
  custom: {
    50: '#96bc73',
    500: '#669f37',
    950: '#000000',
  },
}

SCSS

$custom: #669f37;
$custom-light: #96bc73;
$custom-dark: #000000;

JSON

{
  "hex": "#669f37",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 55
  },
  "hsl": {
    "h": 92.885,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.64103,
    "c": 0.14851,
    "h": 133.5
  },
  "luminance": 0.27897
}

Semantic roles & 50–950 ramp

primary

#669F37

secondary

#9C76BC

accent

#50D89A

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #669F37

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

Preview Lab → · Contrast checker → · Palette generator →