#669E37#669E37

#669E37 is a light, vivid yellow-green. Relative luminance 0.276; OKLCH L 63.8% C 0.147 H 133.3°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#669E37
RGB	rgb(102, 158, 55)
HSL	hsl(93, 48%, 42%)
HSV	hsv(93, 65%, 62%)
CMYK	cmyk(35.4%, 0%, 65.2%, 38%)
CIE-LAB	lab(59.48, -36.14, 46.51)
CIE-LCH	lch(59.48, 58.90, 127.85°)
OKLab	oklab(63.85% -0.101 0.107)
OKLCH	oklch(63.85% 0.147 133.3)
XYZ	xyz(18.3956, 27.5536, 7.9628)
Luminance	0.2755 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669E37 #6F379E

analogous

#9A9E37 #669E37 #379E3B

triadic

#669E37 #37669E #9E3766

tetradic

#669E37 #379A9E #6F379E #9E3B37

square

#669E37 #379A9E #6F379E #9E3B37

split-complementary

#669E37 #3B379E #9E379A

monochromatic

#2B4317 #497127 #669E37 #84C250 #A4D27D

Accessibility & contrast

On white

3.23

#669E37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#669E37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669E37

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669E37	#FFFFFF	#000000	##000000
##669E37	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4922A

Deuteranopia (green-blind)

#9C8E3F

Tritanopia (blue-blind)

#669889

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669e37;
/* rgb */ color: rgb(102, 158, 55);
/* oklch */ color: oklch(63.8% 0.147 133.3);

Tailwind

colors: {
  custom: {
    50: '#96bb73',
    500: '#669e37',
    950: '#000000',
  },
}

SCSS

$custom: #669e37;
$custom-light: #96bb73;
$custom-dark: #000000;

JSON

{
  "hex": "#669e37",
  "rgb": {
    "r": 102,
    "g": 158,
    "b": 55
  },
  "hsl": {
    "h": 92.621,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.63849,
    "c": 0.14715,
    "h": 133.3
  },
  "luminance": 0.27554
}

Semantic roles & 50–950 ramp

primary

#669E37

secondary

#9B76BB

accent

#50D89A

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1208

muted

#7E817B

Preview Lab

Preview with #669E37

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

Preview Lab → · Contrast checker → · Palette generator →