#668D21#668D21

#668D21 is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.3% C 0.140 H 127.8°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#668D21
RGB	rgb(102, 141, 33)
HSL	hsl(82, 62%, 34%)
HSV	hsv(82, 77%, 55%)
CMYK	cmyk(27.7%, 0%, 76.6%, 44.7%)
CIE-LAB	lab(54.01, -29.90, 49.68)
CIE-LCH	lch(54.01, 57.98, 121.04°)
OKLab	oklab(59.34% -0.0858 0.1105)
OKLCH	oklch(59.34% 0.14 127.8)
XYZ	xyz(15.2789, 21.9840, 4.8769)
Luminance	0.2198 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D21 #48218D

analogous

#8D7E21 #668D21 #308D21

triadic

#668D21 #21668D #8D2166

tetradic

#668D21 #218D7E #48218D #8D2130

square

#668D21 #218D7E #48218D #8D2130

split-complementary

#668D21 #21308D #7E218D

monochromatic

#1E2A0A #425B15 #668D21 #8ABF2D #A7D652

Accessibility & contrast

On white

3.89

#668D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#668D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D21

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D21	#FFFFFF	#000000	##000000
##668D21	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948309

Deuteranopia (green-blind)

#8F802B

Tritanopia (blue-blind)

#6A8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668d21;
/* rgb */ color: rgb(102, 141, 33);
/* oklch */ color: oklch(59.3% 0.140 127.8);

Tailwind

colors: {
  custom: {
    50: '#95ae65',
    500: '#668d21',
    950: '#000000',
  },
}

SCSS

$custom: #668d21;
$custom-light: #95ae65;
$custom-dark: #000000;

JSON

{
  "hex": "#668d21",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 33
  },
  "hsl": {
    "h": 81.667,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.59342,
    "c": 0.13987,
    "h": 127.8
  },
  "luminance": 0.21984
}

Semantic roles & 50–950 ramp

primary

#668D21

secondary

#7650BA

accent

#43E57D

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668D21

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

Preview Lab → · Contrast checker → · Palette generator →