#66801D#66801D

#66801D is a mid, vivid yellow-green. Relative luminance 0.184; OKLCH L 56.0% C 0.125 H 123.6°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#66801D
RGB	rgb(102, 128, 29)
HSL	hsl(76, 63%, 31%)
HSV	hsv(76, 77%, 50%)
CMYK	cmyk(20.3%, 0%, 77.3%, 49.8%)
CIE-LAB	lab(49.92, -23.77, 47.18)
CIE-LCH	lch(49.92, 52.83, 116.74°)
OKLab	oklab(56.02% -0.0694 0.1045)
OKLCH	oklch(56.02% 0.125 123.6)
XYZ	xyz(13.4206, 18.3517, 3.9974)
Luminance	0.1835 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66801D #371D80

analogous

#80681D #66801D #34801D

triadic

#66801D #1D6680 #801D66

tetradic

#66801D #1D8068 #371D80 #801D34

square

#66801D #1D8068 #371D80 #801D34

split-complementary

#66801D #1D3480 #681D80

monochromatic

#161C06 #3E4E12 #66801D #8EB228 #AED443

Accessibility & contrast

On white

4.50

#66801D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#66801D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66801D

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66801D	#FFFFFF	#000000	##000000
##66801D	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)

#887807

Deuteranopia (green-blind)

#847726

Tritanopia (blue-blind)

#6B796D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #66801d;
/* rgb */ color: rgb(102, 128, 29);
/* oklch */ color: oklch(56.0% 0.125 123.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66801d",
  "rgb": {
    "r": 102,
    "g": 128,
    "b": 29
  },
  "hsl": {
    "h": 75.758,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.56019,
    "c": 0.12548,
    "h": 123.6
  },
  "luminance": 0.18352
}

Semantic roles & 50–950 ramp

primary

#66801D

secondary

#6245B3

accent

#42E66D

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66801D

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

Preview Lab → · Contrast checker → · Palette generator →