#669C3E#669C3E

#669C3E is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.4% C 0.139 H 133.9°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#669C3E
RGB	rgb(102, 156, 62)
HSL	hsl(94, 43%, 43%)
HSV	hsv(94, 60%, 61%)
CMYK	cmyk(34.6%, 0%, 60.3%, 38.8%)
CIE-LAB	lab(58.93, -34.57, 42.72)
CIE-LCH	lch(58.93, 54.96, 128.98°)
OKLab	oklab(63.42% -0.0962 0.0998)
OKLCH	oklch(63.42% 0.139 133.9)
XYZ	xyz(18.2371, 26.9488, 8.7972)
Luminance	0.2695 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669C3E #743E9C

analogous

#959C3E #669C3E #3E9C45

triadic

#669C3E #3E669C #9C3E66

tetradic

#669C3E #3E959C #743E9C #9C453E

square

#669C3E #3E959C #743E9C #9C453E

split-complementary

#669C3E #453E9C #9C3E95

monochromatic

#2D441B #49702D #669C3E #84BD5A #A5CF86

Accessibility & contrast

On white

3.29

#669C3E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#669C3E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669C3E

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669C3E	#FFFFFF	#000000	##000000
##669C3E	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29134

Deuteranopia (green-blind)

#9A8C45

Tritanopia (blue-blind)

#669688

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #669c3e;
/* rgb */ color: rgb(102, 156, 62);
/* oklch */ color: oklch(63.4% 0.139 133.9);

Tailwind

colors: {
  custom: {
    50: '#95b977',
    500: '#669c3e',
    950: '#000000',
  },
}

SCSS

$custom: #669c3e;
$custom-light: #95b977;
$custom-dark: #000000;

JSON

{
  "hex": "#669c3e",
  "rgb": {
    "r": 102,
    "g": 156,
    "b": 62
  },
  "hsl": {
    "h": 94.468,
    "s": 43.119,
    "l": 42.745
  },
  "oklch": {
    "l": 0.63417,
    "c": 0.13857,
    "h": 133.9
  },
  "luminance": 0.2695
}

Semantic roles & 50–950 ramp

primary

#669C3E

secondary

#9F7DB9

accent

#55D39D

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1109

muted

#7E807B

Preview Lab

Preview with #669C3E

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

Preview Lab → · Contrast checker → · Palette generator →