#669C3D#669C3D

#669C3D is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.4% C 0.139 H 133.8°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#669C3D
RGB	rgb(102, 156, 61)
HSL	hsl(94, 44%, 43%)
HSV	hsv(94, 61%, 61%)
CMYK	cmyk(34.6%, 0%, 60.9%, 38.8%)
CIE-LAB	lab(58.92, -34.67, 43.18)
CIE-LCH	lch(58.92, 55.38, 128.77°)
OKLab	oklab(63.41% -0.0965 0.1006)
OKLCH	oklch(63.41% 0.139 133.8)
XYZ	xyz(18.2099, 26.9379, 8.6540)
Luminance	0.2694 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C3D #733D9C

analogous

#969C3D #669C3D #3D9C43

triadic

#669C3D #3D669C #9C3D66

tetradic

#669C3D #3D969C #733D9C #9C433D

square

#669C3D #3D969C #733D9C #9C433D

split-complementary

#669C3D #433D9C #9C3D96

monochromatic

#2C441B #49702C #669C3D #84BE58 #A5CF84

Accessibility & contrast

On white

3.29

#669C3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#669C3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C3D

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C3D	#FFFFFF	#000000	##000000
##669C3D	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)

#A29133

Deuteranopia (green-blind)

#9A8C44

Tritanopia (blue-blind)

#669688

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c3d;
/* rgb */ color: rgb(102, 156, 61);
/* oklch */ color: oklch(63.4% 0.139 133.8);

Tailwind

colors: {
  custom: {
    50: '#95b976',
    500: '#669c3d',
    950: '#000000',
  },
}

SCSS

$custom: #669c3d;
$custom-light: #95b976;
$custom-dark: #000000;

JSON

{
  "hex": "#669c3d",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 61
  },
  "hsl": {
    "h": 94.105,
    "s": 43.779,
    "l": 42.549
  },
  "oklch": {
    "l": 0.63405,
    "c": 0.13943,
    "h": 133.8
  },
  "luminance": 0.26939
}

Semantic roles & 50–950 ramp

primary

#669C3D

secondary

#9F7CB9

accent

#54D49D

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1109

muted

#7E807B

Preview Lab

Preview with #669C3D

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

Preview Lab → · Contrast checker → · Palette generator →