#668C33#668C33

#668C33 is a mid, vivid yellow-green. Relative luminance 0.218; OKLCH L 59.2% C 0.125 H 129.2°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#668C33
RGB	rgb(102, 140, 51)
HSL	hsl(86, 47%, 37%)
HSV	hsv(86, 64%, 55%)
CMYK	cmyk(27.1%, 0%, 63.6%, 45.1%)
CIE-LAB	lab(53.84, -28.11, 42.13)
CIE-LCH	lch(53.84, 50.64, 123.71°)
OKLab	oklab(59.24% -0.0793 0.0972)
OKLCH	oklch(59.24% 0.125 129.2)
XYZ	xyz(15.4550, 21.8196, 6.5287)
Luminance	0.2182 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668C33 #59338C

analogous

#8C8633 #668C33 #398C33

triadic

#668C33 #33668C #8C3366

tetradic

#668C33 #338C86 #59338C #8C3339

square

#668C33 #338C86 #59338C #8C3339

split-complementary

#668C33 #33398C #86338C

monochromatic

#253212 #455F23 #668C33 #87B943 #A3CB6F

Accessibility & contrast

On white

3.91

#668C33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#668C33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668C33

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668C33	#FFFFFF	#000000	##000000
##668C33	1.00	3.91	5.36	5.36
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928228

Deuteranopia (green-blind)

#8D803A

Tritanopia (blue-blind)

#698679

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668c33;
/* rgb */ color: rgb(102, 140, 51);
/* oklch */ color: oklch(59.2% 0.125 129.2);

Tailwind

colors: {
  custom: {
    50: '#94ae6f',
    500: '#668c33',
    950: '#000000',
  },
}

SCSS

$custom: #668c33;
$custom-light: #94ae6f;
$custom-dark: #000000;

JSON

{
  "hex": "#668c33",
  "rgb": {
    "r": 102,
    "g": 140,
    "b": 51
  },
  "hsl": {
    "h": 85.618,
    "s": 46.597,
    "l": 37.451
  },
  "oklch": {
    "l": 0.59244,
    "c": 0.12548,
    "h": 129.2
  },
  "luminance": 0.2182
}

Semantic roles & 50–950 ramp

primary

#668C33

secondary

#8868B2

accent

#52D68A

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668C33

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

Preview Lab → · Contrast checker → · Palette generator →