#668D40#668D40

#668D40 is a mid, moderate yellow-green. Relative luminance 0.222; OKLCH L 59.7% C 0.115 H 131.4°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#668D40
RGB	rgb(102, 141, 64)
HSL	hsl(90, 38%, 40%)
HSV	hsv(90, 55%, 55%)
CMYK	cmyk(27.7%, 0%, 54.6%, 44.7%)
CIE-LAB	lab(54.29, -27.28, 36.37)
CIE-LCH	lch(54.29, 45.46, 126.88°)
OKLab	oklab(59.65% -0.0759 0.0862)
OKLCH	oklch(59.65% 0.115 131.4)
XYZ	xyz(15.9296, 22.2443, 8.3038)
Luminance	0.2225 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D40 #67408D

analogous

#8C8D40 #668D40 #408D41

triadic

#668D40 #40668D #8D4066

tetradic

#668D40 #408C8D #67408D #8D4140

square

#668D40 #408C8D #67408D #8D4140

split-complementary

#668D40 #41408D #8D408C

monochromatic

#29391A #48632D #668D40 #85B357 #A3C681

Accessibility & contrast

On white

3.85

#668D40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#668D40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D40

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D40	#FFFFFF	#000000	##000000
##668D40	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938439

Deuteranopia (green-blind)

#8D8145

Tritanopia (blue-blind)

#68887C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #668d40;
/* rgb */ color: rgb(102, 141, 64);
/* oklch */ color: oklch(59.7% 0.115 131.4);

Tailwind

colors: {
  custom: {
    50: '#94ae77',
    500: '#668d40',
    950: '#000000',
  },
}

SCSS

$custom: #668d40;
$custom-light: #94ae77;
$custom-dark: #000000;

JSON

{
  "hex": "#668d40",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 64
  },
  "hsl": {
    "h": 90.39,
    "s": 37.561,
    "l": 40.196
  },
  "oklch": {
    "l": 0.59654,
    "c": 0.11488,
    "h": 131.4
  },
  "luminance": 0.22245
}

Semantic roles & 50–950 ramp

primary

#668D40

secondary

#9578B0

accent

#5ACE95

background

#F9FAF7

surface

#F2F4ED

border

#CCCEC8

text

#0D1009

muted

#7E7F7B

Preview Lab

Preview with #668D40

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

Preview Lab → · Contrast checker → · Palette generator →