#668E1B#668E1B

#668E1B is a mid, vivid yellow-green. Relative luminance 0.223; OKLCH L 59.6% C 0.144 H 127.7°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#668E1B
RGB	rgb(102, 142, 27)
HSL	hsl(81, 68%, 33%)
HSV	hsv(81, 81%, 56%)
CMYK	cmyk(28.2%, 0%, 81%, 44.3%)
CIE-LAB	lab(54.29, -30.69, 51.93)
CIE-LCH	lch(54.29, 60.32, 120.58°)
OKLab	oklab(59.56% -0.0884 0.1142)
OKLCH	oklch(59.56% 0.144 127.7)
XYZ	xyz(15.3504, 22.2496, 4.5225)
Luminance	0.2225 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#668E1B #431B8E

analogous

#8E7C1B #668E1B #2C8E1B

triadic

#668E1B #1B668E #8E1B66

tetradic

#668E1B #1B8E7C #431B8E #8E1B2C

square

#668E1B #1B8E7C #431B8E #8E1B2C

split-complementary

#668E1B #1B2C8E #7C1B8E

monochromatic

#1C2707 #415B11 #668E1B #8BC125 #A8DC47

Accessibility & contrast

On white

3.85

#668E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#668E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #668E1B

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##668E1B	#FFFFFF	#000000	##000000
##668E1B	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958400

Deuteranopia (green-blind)

#908127

Tritanopia (blue-blind)

#6A8779

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #668e1b;
/* rgb */ color: rgb(102, 142, 27);
/* oklch */ color: oklch(59.6% 0.144 127.7);

Tailwind

colors: {
  custom: {
    50: '#96af62',
    500: '#668e1b',
    950: '#000000',
  },
}

SCSS

$custom: #668e1b;
$custom-light: #96af62;
$custom-dark: #000000;

JSON

{
  "hex": "#668e1b",
  "rgb": {
    "r": 102,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 80.87,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.5956,
    "c": 0.14441,
    "h": 127.7
  },
  "luminance": 0.2225
}

Semantic roles & 50–950 ramp

primary

#668E1B

secondary

#7047BE

accent

#3DEB79

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #668E1B

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

Preview Lab → · Contrast checker → · Palette generator →