#669D3C#669D3C

#669D3C is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.6% C 0.142 H 133.8°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#669D3C
RGB	rgb(102, 157, 60)
HSL	hsl(94, 45%, 43%)
HSV	hsv(94, 62%, 62%)
CMYK	cmyk(35%, 0%, 61.8%, 38.4%)
CIE-LAB	lab(59.22, -35.23, 43.98)
CIE-LCH	lch(59.22, 56.35, 128.70°)
OKLab	oklab(63.65% -0.0981 0.1022)
OKLCH	oklch(63.65% 0.142 133.8)
XYZ	xyz(18.3517, 27.2642, 8.5697)
Luminance	0.2727 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669D3C #733C9D

analogous

#969D3C #669D3C #3C9D43

triadic

#669D3C #3C669D #9D3C66

tetradic

#669D3C #3C969D #733C9D #9D433C

square

#669D3C #3C969D #733C9D #9D433C

split-complementary

#669D3C #433C9D #9D3C96

monochromatic

#2C441A #49712B #669D3C #84BF57 #A5D084

Accessibility & contrast

On white

3.25

#669D3C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#669D3C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D3C

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669D3C	#FFFFFF	#000000	##000000
##669D3C	1.00	3.25	6.45	6.45
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39131

Deuteranopia (green-blind)

#9B8D43

Tritanopia (blue-blind)

#669788

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669d3c;
/* rgb */ color: rgb(102, 157, 60);
/* oklch */ color: oklch(63.6% 0.142 133.8);

Tailwind

colors: {
  custom: {
    50: '#95ba76',
    500: '#669d3c',
    950: '#000000',
  },
}

SCSS

$custom: #669d3c;
$custom-light: #95ba76;
$custom-dark: #000000;

JSON

{
  "hex": "#669d3c",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 60
  },
  "hsl": {
    "h": 94.021,
    "s": 44.7,
    "l": 42.549
  },
  "oklch": {
    "l": 0.63647,
    "c": 0.14168,
    "h": 133.8
  },
  "luminance": 0.27265
}

Semantic roles & 50–950 ramp

primary

#669D3C

secondary

#9F7BBA

accent

#53D49D

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1109

muted

#7E807B

Preview Lab

Preview with #669D3C

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

Preview Lab → · Contrast checker → · Palette generator →