#668F21#668F21

#668F21 is a mid, vivid yellow-green. Relative luminance 0.226; OKLCH L 59.9% C 0.142 H 128.3°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#668F21
RGB	rgb(102, 143, 33)
HSL	hsl(82, 63%, 35%)
HSV	hsv(82, 77%, 56%)
CMYK	cmyk(28.7%, 0%, 76.9%, 43.9%)
CIE-LAB	lab(54.64, -30.85, 50.28)
CIE-LCH	lch(54.64, 58.99, 121.53°)
OKLab	oklab(59.85% -0.0884 0.1117)
OKLCH	oklch(59.85% 0.142 128.3)
XYZ	xyz(15.5765, 22.5791, 4.9761)
Luminance	0.2258 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668F21 #4A218F

analogous

#8F8121 #668F21 #2F8F21

triadic

#668F21 #21668F #8F2166

tetradic

#668F21 #218F81 #4A218F #8F212F

square

#668F21 #218F81 #4A218F #8F212F

split-complementary

#668F21 #212F8F #81218F

monochromatic

#1F2C0A #435D16 #668F21 #89C12C #A6D753

Accessibility & contrast

On white

3.81

#668F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#668F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668F21

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668F21	#FFFFFF	#000000	##000000
##668F21	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968507

Deuteranopia (green-blind)

#91822C

Tritanopia (blue-blind)

#6A887A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #668f21;
/* rgb */ color: rgb(102, 143, 33);
/* oklch */ color: oklch(59.9% 0.142 128.3);

Tailwind

colors: {
  custom: {
    50: '#95b065',
    500: '#668f21',
    950: '#000000',
  },
}

SCSS

$custom: #668f21;
$custom-light: #95b065;
$custom-dark: #000000;

JSON

{
  "hex": "#668f21",
  "rgb": {
    "r": 102,
    "g": 143,
    "b": 33
  },
  "hsl": {
    "h": 82.364,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.59851,
    "c": 0.14245,
    "h": 128.3
  },
  "luminance": 0.2258
}

Semantic roles & 50–950 ramp

primary

#668F21

secondary

#7851BB

accent

#42E67F

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668F21

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

Preview Lab → · Contrast checker → · Palette generator →