#66781B#66781B

#66781B is a mid, moderate yellow-green. Relative luminance 0.163; OKLCH L 54.0% C 0.117 H 120.2°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#66781B
RGB	rgb(102, 120, 27)
HSL	hsl(72, 63%, 29%)
HSV	hsv(72, 78%, 47%)
CMYK	cmyk(15%, 0%, 77.5%, 52.9%)
CIE-LAB	lab(47.41, -19.79, 45.52)
CIE-LCH	lch(47.41, 49.63, 113.49°)
OKLab	oklab(53.99% -0.0586 0.1007)
OKLCH	oklch(53.99% 0.117 120.2)
XYZ	xyz(12.3940, 16.3369, 3.5371)
Luminance	0.1634 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66781B #2D1B78

analogous

#785C1B #66781B #38781B

triadic

#66781B #1B6678 #781B66

tetradic

#66781B #1B785C #2D1B78 #781B38

square

#66781B #1B785C #2D1B78 #781B38

split-complementary

#66781B #1B3878 #5C1B78

monochromatic

#151906 #3C4610 #66781B #90AA26 #B5D33B

Accessibility & contrast

On white

4.92

#66781B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#66781B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #66781B

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66781B	#FFFFFF	#000000	##FFFFFF
##66781B	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807107

Deuteranopia (green-blind)

#7E7123

Tritanopia (blue-blind)

#6C7166

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #66781b;
/* rgb */ color: rgb(102, 120, 27);
/* oklch */ color: oklch(54.0% 0.117 120.2);

Tailwind

colors: {
  custom: {
    50: '#959f5f',
    500: '#66781b',
    950: '#000000',
  },
}

SCSS

$custom: #66781b;
$custom-light: #959f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#66781b",
  "rgb": {
    "r": 102,
    "g": 120,
    "b": 27
  },
  "hsl": {
    "h": 71.613,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.53992,
    "c": 0.1165,
    "h": 120.2
  },
  "luminance": 0.16337
}

Semantic roles & 50–950 ramp

primary

#66781B

secondary

#5743AC

accent

#41E661

background

#F9F9F5

surface

#F2F2EA

border

#CCCCC6

text

#0E0E05

muted

#7E7E79

Preview Lab

Preview with #66781B

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

Preview Lab → · Contrast checker → · Palette generator →