#669F3D#669F3D

#669F3D is a light, vivid yellow-green. Relative luminance 0.280; OKLCH L 64.2% C 0.144 H 134.3°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#669F3D
RGB	rgb(102, 159, 61)
HSL	hsl(95, 45%, 43%)
HSV	hsv(95, 62%, 62%)
CMYK	cmyk(35.8%, 0%, 61.6%, 37.6%)
CIE-LAB	lab(59.85, -36.03, 44.23)
CIE-LCH	lch(59.85, 57.05, 129.17°)
OKLab	oklab(64.17% -0.1002 0.1029)
OKLCH	oklch(64.17% 0.144 134.3)
XYZ	xyz(18.7196, 27.9572, 8.8239)
Luminance	0.2796 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669F3D #763D9F

analogous

#979F3D #669F3D #3D9F45

triadic

#669F3D #3D669F #9F3D66

tetradic

#669F3D #3D979F #763D9F #9F453D

square

#669F3D #3D979F #763D9F #9F453D

split-complementary

#669F3D #453D9F #9F3D97

monochromatic

#2D471B #4A732C #669F3D #84C05A #A5D186

Accessibility & contrast

On white

3.19

#669F3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#669F3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669F3D

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669F3D	#FFFFFF	#000000	##000000
##669F3D	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59332

Deuteranopia (green-blind)

#9D8F44

Tritanopia (blue-blind)

#66998A

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #669f3d;
/* rgb */ color: rgb(102, 159, 61);
/* oklch */ color: oklch(64.2% 0.144 134.3);

Tailwind

colors: {
  custom: {
    50: '#95bc76',
    500: '#669f3d',
    950: '#000000',
  },
}

SCSS

$custom: #669f3d;
$custom-light: #95bc76;
$custom-dark: #000000;

JSON

{
  "hex": "#669f3d",
  "rgb": {
    "r": 102,
    "g": 159,
    "b": 61
  },
  "hsl": {
    "h": 94.898,
    "s": 44.545,
    "l": 43.137
  },
  "oklch": {
    "l": 0.64165,
    "c": 0.14363,
    "h": 134.3
  },
  "luminance": 0.27958
}

Semantic roles & 50–950 ramp

primary

#669F3D

secondary

#A17DBB

accent

#54D49E

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1209

muted

#7E817B

Preview Lab

Preview with #669F3D

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

Preview Lab → · Contrast checker → · Palette generator →