#668A33#668A33

#668A33 is a mid, vivid yellow-green. Relative luminance 0.212; OKLCH L 58.7% C 0.123 H 128.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#668A33
RGB	rgb(102, 138, 51)
HSL	hsl(85, 46%, 37%)
HSV	hsv(85, 63%, 54%)
CMYK	cmyk(26.1%, 0%, 63%, 45.9%)
CIE-LAB	lab(53.21, -27.13, 41.44)
CIE-LCH	lch(53.21, 49.53, 123.22°)
OKLab	oklab(58.74% -0.0766 0.0958)
OKLCH	oklch(58.74% 0.123 128.7)
XYZ	xyz(15.1654, 21.2404, 6.4321)
Luminance	0.2124 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668A33 #57338A

analogous

#8A8333 #668A33 #3A8A33

triadic

#668A33 #33668A #8A3366

tetradic

#668A33 #338A83 #57338A #8A333A

square

#668A33 #338A83 #57338A #8A333A

split-complementary

#668A33 #333A8A #83338A

monochromatic

#243112 #455D22 #668A33 #87B744 #A4C96E

Accessibility & contrast

On white

4.00

#668A33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#668A33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668A33

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668A33	#FFFFFF	#000000	##000000
##668A33	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908129

Deuteranopia (green-blind)

#8B7E39

Tritanopia (blue-blind)

#698478

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #668a33;
/* rgb */ color: rgb(102, 138, 51);
/* oklch */ color: oklch(58.7% 0.123 128.7);

Tailwind

colors: {
  custom: {
    50: '#94ac6e',
    500: '#668a33',
    950: '#000000',
  },
}

SCSS

$custom: #668a33;
$custom-light: #94ac6e;
$custom-dark: #000000;

JSON

{
  "hex": "#668a33",
  "rgb": {
    "r": 102,
    "g": 138,
    "b": 51
  },
  "hsl": {
    "h": 84.828,
    "s": 46.032,
    "l": 37.059
  },
  "oklch": {
    "l": 0.58739,
    "c": 0.12266,
    "h": 128.7
  },
  "luminance": 0.21241
}

Semantic roles & 50–950 ramp

primary

#668A33

secondary

#8667B1

accent

#52D689

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668A33

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

Preview Lab → · Contrast checker → · Palette generator →