#668E40#668E40

#668E40 is a mid, moderate yellow-green. Relative luminance 0.225; OKLCH L 59.9% C 0.116 H 131.6°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#668E40
RGB	rgb(102, 142, 64)
HSL	hsl(91, 38%, 40%)
HSV	hsv(91, 55%, 56%)
CMYK	cmyk(28.2%, 0%, 54.9%, 44.3%)
CIE-LAB	lab(54.60, -27.77, 36.73)
CIE-LCH	lch(54.60, 46.05, 127.09°)
OKLab	oklab(59.9% -0.0773 0.087)
OKLCH	oklch(59.9% 0.116 131.6)
XYZ	xyz(16.0777, 22.5405, 8.3532)
Luminance	0.2254 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668E40 #68408E

analogous

#8D8E40 #668E40 #408E41

triadic

#668E40 #40668E #8E4066

tetradic

#668E40 #408D8E #68408E #8E4140

square

#668E40 #408D8E #68408E #8E4140

split-complementary

#668E40 #41408E #8E408D

monochromatic

#293A1A #48642D #668E40 #84B458 #A3C782

Accessibility & contrast

On white

3.81

#668E40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#668E40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668E40

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668E40	#FFFFFF	#000000	##000000
##668E40	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948539

Deuteranopia (green-blind)

#8E8245

Tritanopia (blue-blind)

#67897C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #668e40;
/* rgb */ color: rgb(102, 142, 64);
/* oklch */ color: oklch(59.9% 0.116 131.6);

Tailwind

colors: {
  custom: {
    50: '#94af77',
    500: '#668e40',
    950: '#000000',
  },
}

SCSS

$custom: #668e40;
$custom-light: #94af77;
$custom-dark: #000000;

JSON

{
  "hex": "#668e40",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 64
  },
  "hsl": {
    "h": 90.769,
    "s": 37.864,
    "l": 40.392
  },
  "oklch": {
    "l": 0.59905,
    "c": 0.11638,
    "h": 131.6
  },
  "luminance": 0.22541
}

Semantic roles & 50–950 ramp

primary

#668E40

secondary

#9679B1

accent

#5ACE95

background

#F9FAF7

surface

#F2F4ED

border

#CCCEC8

text

#0D1009

muted

#7E7F7B

Preview Lab

Preview with #668E40

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

Preview Lab → · Contrast checker → · Palette generator →