#669C39#669C39

#669C39 is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.4% C 0.143 H 133.3°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#669C39
RGB	rgb(102, 156, 57)
HSL	hsl(93, 46%, 42%)
HSV	hsv(93, 63%, 61%)
CMYK	cmyk(34.6%, 0%, 63.5%, 38.8%)
CIE-LAB	lab(58.88, -35.06, 44.96)
CIE-LCH	lch(58.88, 57.01, 127.94°)
OKLab	oklab(63.36% -0.0979 0.104)
OKLCH	oklch(63.36% 0.143 133.3)
XYZ	xyz(18.1062, 26.8964, 8.1076)
Luminance	0.2690 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C39 #6F399C

analogous

#989C39 #669C39 #399C3D

triadic

#669C39 #39669C #9C3966

tetradic

#669C39 #39989C #6F399C #9C3D39

square

#669C39 #39989C #6F399C #9C3D39

split-complementary

#669C39 #3D399C #9C3998

monochromatic

#2B4218 #496F29 #669C39 #84C052 #A4D07F

Accessibility & contrast

On white

3.29

#669C39 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#669C39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C39

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C39	#FFFFFF	#000000	##000000
##669C39	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)

#A2902D

Deuteranopia (green-blind)

#9B8C41

Tritanopia (blue-blind)

#669687

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c39;
/* rgb */ color: rgb(102, 156, 57);
/* oklch */ color: oklch(63.4% 0.143 133.3);

Tailwind

colors: {
  custom: {
    50: '#95b974',
    500: '#669c39',
    950: '#000000',
  },
}

SCSS

$custom: #669c39;
$custom-light: #95b974;
$custom-dark: #000000;

JSON

{
  "hex": "#669c39",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 57
  },
  "hsl": {
    "h": 92.727,
    "s": 46.479,
    "l": 41.765
  },
  "oklch": {
    "l": 0.63361,
    "c": 0.1428,
    "h": 133.3
  },
  "luminance": 0.26897
}

Semantic roles & 50–950 ramp

primary

#669C39

secondary

#9B77BA

accent

#52D69A

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #669C39

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

Preview Lab → · Contrast checker → · Palette generator →