#66901C#66901C

#66901C is a mid, vivid yellow-green. Relative luminance 0.229; OKLCH L 60.1% C 0.146 H 128.3°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#66901C
RGB	rgb(102, 144, 28)
HSL	hsl(82, 67%, 34%)
HSV	hsv(82, 81%, 56%)
CMYK	cmyk(29.2%, 0%, 80.6%, 43.5%)
CIE-LAB	lab(54.92, -31.58, 52.20)
CIE-LCH	lch(54.92, 61.01, 121.17°)
OKLab	oklab(60.08% -0.0907 0.1149)
OKLCH	oklch(60.08% 0.146 128.3)
XYZ	xyz(15.6624, 22.8547, 4.6846)
Luminance	0.2286 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66901C #461C90

analogous

#90801C #66901C #2C901C

triadic

#66901C #1C6690 #901C66

tetradic

#66901C #1C9080 #461C90 #901C2C

square

#66901C #1C9080 #461C90 #901C2C

split-complementary

#66901C #1C2C90 #801C90

monochromatic

#1D2A08 #425D12 #66901C #8AC326 #A7DC4A

Accessibility & contrast

On white

3.77

#66901C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#66901C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66901C

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66901C	#FFFFFF	#000000	##000000
##66901C	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#978500

Deuteranopia (green-blind)

#928328

Tritanopia (blue-blind)

#6A897B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #66901c;
/* rgb */ color: rgb(102, 144, 28);
/* oklch */ color: oklch(60.1% 0.146 128.3);

Tailwind

colors: {
  custom: {
    50: '#96b063',
    500: '#66901c',
    950: '#000000',
  },
}

SCSS

$custom: #66901c;
$custom-light: #96b063;
$custom-dark: #000000;

JSON

{
  "hex": "#66901c",
  "rgb": {
    "r": 102,
    "g": 144,
    "b": 28
  },
  "hsl": {
    "h": 81.724,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.60075,
    "c": 0.14643,
    "h": 128.3
  },
  "luminance": 0.22855
}

Semantic roles & 50–950 ramp

primary

#66901C

secondary

#744ABE

accent

#3DEA7C

background

#F9FAF6

surface

#F2F5EB

border

#CCCFC6

text

#0E1006

muted

#7E7F7A

Preview Lab

Preview with #66901C

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

Preview Lab → · Contrast checker → · Palette generator →