#66801C#66801C

#66801C is a mid, vivid yellow-green. Relative luminance 0.183; OKLCH L 56.0% C 0.126 H 123.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#66801C
RGB	rgb(102, 128, 28)
HSL	hsl(76, 64%, 31%)
HSV	hsv(76, 78%, 50%)
CMYK	cmyk(20.3%, 0%, 78.1%, 49.8%)
CIE-LAB	lab(49.91, -23.83, 47.53)
CIE-LCH	lch(49.91, 53.17, 116.63°)
OKLab	oklab(56.01% -0.0696 0.1051)
OKLCH	oklch(56.01% 0.126 123.5)
XYZ	xyz(13.4084, 18.3469, 3.9333)
Luminance	0.1835 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66801C #361C80

analogous

#80681C #66801C #34801C

triadic

#66801C #1C6680 #801C66

tetradic

#66801C #1C8068 #361C80 #801C34

square

#66801C #1C8068 #361C80 #801C34

split-complementary

#66801C #1C3480 #681C80

monochromatic

#161C06 #3E4E11 #66801C #8EB227 #AFD541

Accessibility & contrast

On white

4.50

#66801C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#66801C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66801C

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66801C	#FFFFFF	#000000	##000000
##66801C	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#887704

Deuteranopia (green-blind)

#847726

Tritanopia (blue-blind)

#6B796D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #66801c;
/* rgb */ color: rgb(102, 128, 28);
/* oklch */ color: oklch(56.0% 0.126 123.5);

Tailwind

colors: {
  custom: {
    50: '#95a561',
    500: '#66801c',
    950: '#000000',
  },
}

SCSS

$custom: #66801c;
$custom-light: #95a561;
$custom-dark: #000000;

JSON

{
  "hex": "#66801c",
  "rgb": {
    "r": 102,
    "g": 128,
    "b": 28
  },
  "hsl": {
    "h": 75.6,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.56013,
    "c": 0.12607,
    "h": 123.5
  },
  "luminance": 0.18347
}

Semantic roles & 50–950 ramp

primary

#66801C

secondary

#6144B3

accent

#41E76C

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66801C

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

Preview Lab → · Contrast checker → · Palette generator →