#668D1B#668D1B

#668D1B is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.3% C 0.143 H 127.5°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#668D1B
RGB	rgb(102, 141, 27)
HSL	hsl(81, 68%, 33%)
HSV	hsv(81, 81%, 55%)
CMYK	cmyk(27.7%, 0%, 80.9%, 44.7%)
CIE-LAB	lab(53.98, -30.22, 51.64)
CIE-LCH	lch(53.98, 59.83, 120.33°)
OKLab	oklab(59.31% -0.0871 0.1136)
OKLCH	oklch(59.31% 0.143 127.5)
XYZ	xyz(15.2022, 21.9533, 4.4732)
Luminance	0.2195 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668D1B #421B8D

analogous

#8D7B1B #668D1B #2D8D1B

triadic

#668D1B #1B668D #8D1B66

tetradic

#668D1B #1B8D7B #421B8D #8D1B2D

square

#668D1B #1B8D7B #421B8D #8D1B2D

split-complementary

#668D1B #1B2D8D #7B1B8D

monochromatic

#1C2607 #415A11 #668D1B #8BC025 #A9DC47

Accessibility & contrast

On white

3.90

#668D1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#668D1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668D1B

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668D1B	#FFFFFF	#000000	##000000
##668D1B	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8F8027

Tritanopia (blue-blind)

#6A8678

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #668d1b;
/* rgb */ color: rgb(102, 141, 27);
/* oklch */ color: oklch(59.3% 0.143 127.5);

Tailwind

colors: {
  custom: {
    50: '#96ae62',
    500: '#668d1b',
    950: '#000000',
  },
}

SCSS

$custom: #668d1b;
$custom-light: #96ae62;
$custom-dark: #000000;

JSON

{
  "hex": "#668d1b",
  "rgb": {
    "r": 102,
    "g": 141,
    "b": 27
  },
  "hsl": {
    "h": 80.526,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.59305,
    "c": 0.14314,
    "h": 127.5
  },
  "luminance": 0.21954
}

Semantic roles & 50–950 ramp

primary

#668D1B

secondary

#6F46BD

accent

#3DEB78

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668D1B

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

Preview Lab → · Contrast checker → · Palette generator →