#818011#818011

#818011 is a mid, vivid yellow. Relative luminance 0.201; OKLCH L 58.2% C 0.121 H 109.1°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#818011
RGB	rgb(129, 128, 17)
HSL	hsl(59, 77%, 29%)
HSV	hsv(59, 87%, 51%)
CMYK	cmyk(0%, 0.8%, 86.8%, 49.4%)
CIE-LAB	lab(52.00, -12.10, 53.47)
CIE-LCH	lch(52.00, 54.82, 102.75°)
OKLab	oklab(58.21% -0.0397 0.1147)
OKLCH	oklch(58.21% 0.121 109.1)
XYZ	xyz(16.8743, 20.1465, 3.5300)
Luminance	0.2015 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818011 #111281

analogous

#814811 #818011 #4A8111

triadic

#818011 #118180 #801181

tetradic

#818011 #118148 #111281 #81114A

square

#818011 #118148 #111281 #81114A

split-complementary

#818011 #114A81 #481181

monochromatic

#1B1B04 #4B4A0A #818011 #B7B618 #E3E12A

Accessibility & contrast

On white

4.18

#818011 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#818011 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818011

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818011	#FFFFFF	#000000	##000000
##818011	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A00

Deuteranopia (green-blind)

#8D7E1D

Tritanopia (blue-blind)

#8B776D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #818011;
/* rgb */ color: rgb(129, 128, 17);
/* oklch */ color: oklch(58.2% 0.121 109.1);

Tailwind

colors: {
  custom: {
    50: '#a9a45d',
    500: '#818011',
    950: '#000000',
  },
}

SCSS

$custom: #818011;
$custom-light: #a9a45d;
$custom-dark: #000000;

JSON

{
  "hex": "#818011",
  "rgb": {
    "r": 129,
    "g": 128,
    "b": 17
  },
  "hsl": {
    "h": 59.464,
    "s": 76.712,
    "l": 28.627
  },
  "oklch": {
    "l": 0.58209,
    "c": 0.12139,
    "h": 109.1
  },
  "luminance": 0.20146
}

Semantic roles & 50–950 ramp

primary

#818011

secondary

#3738B7

accent

#36F335

background

#FAFAF5

surface

#F4F4E9

border

#CECEC5

text

#100F05

muted

#7F7F79

Preview Lab

Preview with #818011

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

Preview Lab → · Contrast checker → · Palette generator →