#669C3B#669C3B

#669C3B is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.4% C 0.141 H 133.5°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#669C3B
RGB	rgb(102, 156, 59)
HSL	hsl(93, 45%, 42%)
HSV	hsv(93, 62%, 61%)
CMYK	cmyk(34.6%, 0%, 62.2%, 38.8%)
CIE-LAB	lab(58.90, -34.87, 44.08)
CIE-LCH	lch(58.90, 56.20, 128.35°)
OKLab	oklab(63.38% -0.0972 0.1023)
OKLCH	oklch(63.38% 0.141 133.5)
XYZ	xyz(18.1571, 26.9168, 8.3756)
Luminance	0.2692 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C3B #713B9C

analogous

#979C3B #669C3B #3B9C41

triadic

#669C3B #3B669C #9C3B66

tetradic

#669C3B #3B979C #713B9C #9C413B

square

#669C3B #3B979C #713B9C #9C413B

split-complementary

#669C3B #413B9C #9C3B97

monochromatic

#2C4319 #49702A #669C3B #84BF55 #A4D082

Accessibility & contrast

On white

3.29

#669C3B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#669C3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C3B

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C3B	#FFFFFF	#000000	##000000
##669C3B	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)

#A29030

Deuteranopia (green-blind)

#9A8C42

Tritanopia (blue-blind)

#669687

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c3b;
/* rgb */ color: rgb(102, 156, 59);
/* oklch */ color: oklch(63.4% 0.141 133.5);

Tailwind

colors: {
  custom: {
    50: '#95b975',
    500: '#669c3b',
    950: '#000000',
  },
}

SCSS

$custom: #669c3b;
$custom-light: #95b975;
$custom-dark: #000000;

JSON

{
  "hex": "#669c3b",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 59
  },
  "hsl": {
    "h": 93.402,
    "s": 45.116,
    "l": 42.157
  },
  "oklch": {
    "l": 0.63383,
    "c": 0.14114,
    "h": 133.5
  },
  "luminance": 0.26917
}

Semantic roles & 50–950 ramp

primary

#669C3B

secondary

#9D79B9

accent

#53D59B

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #669C3B

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

Preview Lab → · Contrast checker → · Palette generator →