#669B3F#669B3F

#669B3F is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 63.2% C 0.136 H 133.9°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#669B3F
RGB	rgb(102, 155, 63)
HSL	hsl(95, 42%, 43%)
HSV	hsv(95, 59%, 61%)
CMYK	cmyk(34.2%, 0%, 59.4%, 39.2%)
CIE-LAB	lab(58.63, -34.01, 41.91)
CIE-LCH	lch(58.63, 53.98, 129.06°)
OKLab	oklab(63.18% -0.0945 0.0981)
OKLCH	oklch(63.18% 0.136 133.9)
XYZ	xyz(18.0977, 26.6256, 8.8874)
Luminance	0.2663 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669B3F #743F9B

analogous

#949B3F #669B3F #3F9B46

triadic

#669B3F #3F669B #9B3F66

tetradic

#669B3F #3F949B #743F9B #9B463F

square

#669B3F #3F949B #743F9B #9B463F

split-complementary

#669B3F #463F9B #9B3F94

monochromatic

#2D441C #496F2D #669B3F #84BC5B #A5CE86

Accessibility & contrast

On white

3.32

#669B3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#669B3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669B3F

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669B3F	#FFFFFF	#000000	##000000
##669B3F	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A19035

Deuteranopia (green-blind)

#998B46

Tritanopia (blue-blind)

#669587

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #669b3f;
/* rgb */ color: rgb(102, 155, 63);
/* oklch */ color: oklch(63.2% 0.136 133.9);

Tailwind

colors: {
  custom: {
    50: '#95b977',
    500: '#669b3f',
    950: '#000000',
  },
}

SCSS

$custom: #669b3f;
$custom-light: #95b977;
$custom-dark: #000000;

JSON

{
  "hex": "#669b3f",
  "rgb": {
    "r": 102,
    "g": 155,
    "b": 63
  },
  "hsl": {
    "h": 94.565,
    "s": 42.202,
    "l": 42.745
  },
  "oklch": {
    "l": 0.63175,
    "c": 0.13626,
    "h": 133.9
  },
  "luminance": 0.26626
}

Semantic roles & 50–950 ramp

primary

#669B3F

secondary

#9F7DB8

accent

#56D29D

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1109

muted

#7E807B

Preview Lab

Preview with #669B3F

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

Preview Lab → · Contrast checker → · Palette generator →