#668D33#668D33

#668D33 is a mid, vivid yellow-green. Relative luminance 0.221; OKLCH L 59.5% C 0.127 H 129.5°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#668D33
RGB	rgb(102, 141, 51)
HSL	hsl(86, 47%, 38%)
HSV	hsv(86, 64%, 55%)
CMYK	cmyk(27.7%, 0%, 63.8%, 44.7%)
CIE-LAB	lab(54.15, -28.59, 42.47)
CIE-LCH	lch(54.15, 51.19, 123.95°)
OKLab	oklab(59.5% -0.0806 0.098)
OKLCH	oklch(59.5% 0.127 129.5)
XYZ	xyz(15.6018, 22.1132, 6.5776)
Luminance	0.2211 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D33 #5A338D

analogous

#8D8733 #668D33 #398D33

triadic

#668D33 #33668D #8D3366

tetradic

#668D33 #338D87 #5A338D #8D3339

square

#668D33 #338D87 #5A338D #8D3339

split-complementary

#668D33 #33398D #87338D

monochromatic

#253312 #456023 #668D33 #87BA43 #A3CB6F

Accessibility & contrast

On white

3.87

#668D33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#668D33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D33

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D33	#FFFFFF	#000000	##000000
##668D33	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938328

Deuteranopia (green-blind)

#8E813A

Tritanopia (blue-blind)

#69877A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668d33;
/* rgb */ color: rgb(102, 141, 51);
/* oklch */ color: oklch(59.5% 0.127 129.5);

Tailwind

colors: {
  custom: {
    50: '#94ae6f',
    500: '#668d33',
    950: '#000000',
  },
}

SCSS

$custom: #668d33;
$custom-light: #94ae6f;
$custom-dark: #000000;

JSON

{
  "hex": "#668d33",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 51
  },
  "hsl": {
    "h": 86,
    "s": 46.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.59497,
    "c": 0.12688,
    "h": 129.5
  },
  "luminance": 0.22114
}

Semantic roles & 50–950 ramp

primary

#668D33

secondary

#8969B3

accent

#51D78B

background

#F9FAF6

surface

#F2F4EC

border

#CCCEC7

text

#0D1007

muted

#7E7F7A

Preview Lab

Preview with #668D33

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

Preview Lab → · Contrast checker → · Palette generator →