#669C3A#669C3A

#669C3A is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.4% C 0.142 H 133.4°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#669C3A
RGB	rgb(102, 156, 58)
HSL	hsl(93, 46%, 42%)
HSV	hsv(93, 63%, 61%)
CMYK	cmyk(34.6%, 0%, 62.8%, 38.8%)
CIE-LAB	lab(58.89, -34.96, 44.52)
CIE-LCH	lch(58.89, 56.61, 128.14°)
OKLab	oklab(63.37% -0.0975 0.1032)
OKLCH	oklch(63.37% 0.142 133.4)
XYZ	xyz(18.1314, 26.9065, 8.2403)
Luminance	0.2691 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C3A #703A9C

analogous

#979C3A #669C3A #3A9C3F

triadic

#669C3A #3A669C #9C3A66

tetradic

#669C3A #3A979C #703A9C #9C3F3A

square

#669C3A #3A979C #703A9C #9C3F3A

split-complementary

#669C3A #3F3A9C #9C3A97

monochromatic

#2C4319 #496F29 #669C3A #84BF54 #A4D080

Accessibility & contrast

On white

3.29

#669C3A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#669C3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C3A

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C3A	#FFFFFF	#000000	##000000
##669C3A	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)

#A2902F

Deuteranopia (green-blind)

#9A8C42

Tritanopia (blue-blind)

#669687

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c3a;
/* rgb */ color: rgb(102, 156, 58);
/* oklch */ color: oklch(63.4% 0.142 133.4);

Tailwind

colors: {
  custom: {
    50: '#95b974',
    500: '#669c3a',
    950: '#000000',
  },
}

SCSS

$custom: #669c3a;
$custom-light: #95b974;
$custom-dark: #000000;

JSON

{
  "hex": "#669c3a",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 58
  },
  "hsl": {
    "h": 93.061,
    "s": 45.794,
    "l": 41.961
  },
  "oklch": {
    "l": 0.63372,
    "c": 0.14197,
    "h": 133.4
  },
  "luminance": 0.26907
}

Semantic roles & 50–950 ramp

primary

#669C3A

secondary

#9C78BA

accent

#52D59B

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1108

muted

#7E807B

Preview Lab

Preview with #669C3A

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

Preview Lab → · Contrast checker → · Palette generator →