#669C37#669C37

#669C37 is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.3% C 0.144 H 133.0°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#669C37
RGB	rgb(102, 156, 55)
HSL	hsl(92, 48%, 41%)
HSV	hsv(92, 65%, 61%)
CMYK	cmyk(34.6%, 0%, 64.7%, 38.8%)
CIE-LAB	lab(58.86, -35.24, 45.83)
CIE-LCH	lch(58.86, 57.81, 127.56°)
OKLab	oklab(63.34% -0.0985 0.1056)
OKLCH	oklch(63.34% 0.144 133)
XYZ	xyz(18.0573, 26.8768, 7.8500)
Luminance	0.2688 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C37 #6D379C

analogous

#999C37 #669C37 #379C3B

triadic

#669C37 #37669C #9C3766

tetradic

#669C37 #37999C #6D379C #9C3B37

square

#669C37 #37999C #6D379C #9C3B37

split-complementary

#669C37 #3B379C #9C3799

monochromatic

#2B4217 #486F27 #669C37 #84C14F #A4D17C

Accessibility & contrast

On white

3.29

#669C37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#669C37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C37

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C37	#FFFFFF	#000000	##000000
##669C37	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2902B

Deuteranopia (green-blind)

#9B8C3F

Tritanopia (blue-blind)

#679687

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c37;
/* rgb */ color: rgb(102, 156, 55);
/* oklch */ color: oklch(63.3% 0.144 133.0);

Tailwind

colors: {
  custom: {
    50: '#95b972',
    500: '#669c37',
    950: '#000000',
  },
}

SCSS

$custom: #669c37;
$custom-light: #95b972;
$custom-dark: #000000;

JSON

{
  "hex": "#669c37",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 55
  },
  "hsl": {
    "h": 92.079,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.63341,
    "c": 0.14442,
    "h": 133
  },
  "luminance": 0.26878
}

Semantic roles & 50–950 ramp

primary

#669C37

secondary

#9A75BA

accent

#50D799

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #669C37

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

Preview Lab → · Contrast checker → · Palette generator →