#668D2B#668D2B

#668D2B is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.4% C 0.133 H 128.6°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#668D2B
RGB	rgb(102, 141, 43)
HSL	hsl(84, 53%, 36%)
HSV	hsv(84, 70%, 55%)
CMYK	cmyk(27.7%, 0%, 69.5%, 44.7%)
CIE-LAB	lab(54.08, -29.24, 45.89)
CIE-LCH	lch(54.08, 54.41, 122.51°)
OKLab	oklab(59.42% -0.0832 0.1041)
OKLCH	oklch(59.42% 0.133 128.6)
XYZ	xyz(15.4404, 22.0486, 5.7273)
Luminance	0.2205 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D2B #522B8D

analogous

#8D832B #668D2B #358D2B

triadic

#668D2B #2B668D #8D2B66

tetradic

#668D2B #2B8D83 #522B8D #8D2B35

square

#668D2B #2B8D83 #522B8D #8D2B35

split-complementary

#668D2B #2B358D #832B8D

monochromatic

#222F0E #445E1D #668D2B #88BC39 #A4CF63

Accessibility & contrast

On white

3.88

#668D2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#668D2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D2B

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D2B	#FFFFFF	#000000	##000000
##668D2B	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94831D

Deuteranopia (green-blind)

#8E8033

Tritanopia (blue-blind)

#698779

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668d2b;
/* rgb */ color: rgb(102, 141, 43);
/* oklch */ color: oklch(59.4% 0.133 128.6);

Tailwind

colors: {
  custom: {
    50: '#95ae6a',
    500: '#668d2b',
    950: '#000000',
  },
}

SCSS

$custom: #668d2b;
$custom-light: #95ae6a;
$custom-dark: #000000;

JSON

{
  "hex": "#668d2b",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 43
  },
  "hsl": {
    "h": 83.878,
    "s": 53.261,
    "l": 36.078
  },
  "oklch": {
    "l": 0.5942,
    "c": 0.13322,
    "h": 128.6
  },
  "luminance": 0.22049
}

Semantic roles & 50–950 ramp

primary

#668D2B

secondary

#815EB6

accent

#4BDD85

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1007

muted

#7E7F7A

Preview Lab

Preview with #668D2B

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

Preview Lab → · Contrast checker → · Palette generator →