#669D3F#669D3F

#669D3F is a light, vivid yellow-green. Relative luminance 0.273; OKLCH L 63.7% C 0.139 H 134.2°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#669D3F
RGB	rgb(102, 157, 63)
HSL	hsl(95, 43%, 43%)
HSV	hsv(95, 60%, 62%)
CMYK	cmyk(35%, 0%, 59.9%, 38.4%)
CIE-LAB	lab(59.25, -34.93, 42.62)
CIE-LCH	lch(59.25, 55.10, 129.34°)
OKLab	oklab(63.68% -0.097 0.0997)
OKLCH	oklch(63.68% 0.139 134.2)
XYZ	xyz(18.4333, 27.2968, 8.9992)
Luminance	0.2730 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#669D3F #763F9D

analogous

#959D3F #669D3F #3F9D47

triadic

#669D3F #3F669D #9D3F66

tetradic

#669D3F #3F959D #763F9D #9D473F

square

#669D3F #3F959D #763F9D #9D473F

split-complementary

#669D3F #473F9D #9D3F95

monochromatic

#2D461C #4A712D #669D3F #84BD5C #A5CF87

Accessibility & contrast

On white

3.25

#669D3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.46

#669D3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #669D3F

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##669D3F	#FFFFFF	#000000	##000000
##669D3F	1.00	3.25	6.46	6.46
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.46	21.00	1.00	1.00
##000000	6.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39135

Deuteranopia (green-blind)

#9B8D46

Tritanopia (blue-blind)

#669789

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #669d3f;
/* rgb */ color: rgb(102, 157, 63);
/* oklch */ color: oklch(63.7% 0.139 134.2);

Tailwind

colors: {
  custom: {
    50: '#95ba77',
    500: '#669d3f',
    950: '#000000',
  },
}

SCSS

$custom: #669d3f;
$custom-light: #95ba77;
$custom-dark: #000000;

JSON

{
  "hex": "#669d3f",
  "rgb": {
    "r": 102,
    "g": 157,
    "b": 63
  },
  "hsl": {
    "h": 95.106,
    "s": 42.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.63681,
    "c": 0.1391,
    "h": 134.2
  },
  "luminance": 0.27298
}

Semantic roles & 50–950 ramp

primary

#669D3F

secondary

#A17EBA

accent

#55D39F

background

#F9FBF7

surface

#F2F6ED

border

#CCD0C8

text

#0E1109

muted

#7E807B

Preview Lab

Preview with #669D3F

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

Preview Lab → · Contrast checker → · Palette generator →