#818B16#818B16

#818B16 is a mid, vivid yellow. Relative luminance 0.232; OKLCH L 60.8% C 0.131 H 114.8°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#818B16
RGB	rgb(129, 139, 22)
HSL	hsl(65, 73%, 32%)
HSV	hsv(65, 84%, 55%)
CMYK	cmyk(7.2%, 0%, 84.2%, 45.5%)
CIE-LAB	lab(55.27, -17.78, 54.96)
CIE-LCH	lch(55.27, 57.76, 107.93°)
OKLab	oklab(60.83% -0.055 0.1188)
OKLCH	oklch(60.83% 0.131 114.8)
XYZ	xyz(18.4313, 23.1906, 4.2642)
Luminance	0.2319 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818B16 #20168B

analogous

#8B5B16 #818B16 #478B16

triadic

#818B16 #16818B #8B1681

tetradic

#818B16 #168B5B #20168B #8B1647

square

#818B16 #168B5B #20168B #8B1647

split-complementary

#818B16 #16478B #5B168B

monochromatic

#1F2105 #50560E #818B16 #B2C01E #D2E03B

Accessibility & contrast

On white

3.72

#818B16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#818B16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818B16

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818B16	#FFFFFF	#000000	##000000
##818B16	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#958522

Tritanopia (blue-blind)

#8A8276

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #818b16;
/* rgb */ color: rgb(129, 139, 22);
/* oklch */ color: oklch(60.8% 0.131 114.8);

Tailwind

colors: {
  custom: {
    50: '#a9ac60',
    500: '#818b16',
    950: '#000000',
  },
}

SCSS

$custom: #818b16;
$custom-light: #a9ac60;
$custom-dark: #000000;

JSON

{
  "hex": "#818b16",
  "rgb": {
    "r": 129,
    "g": 139,
    "b": 22
  },
  "hsl": {
    "h": 65.128,
    "s": 72.671,
    "l": 31.569
  },
  "oklch": {
    "l": 0.60831,
    "c": 0.13096,
    "h": 114.8
  },
  "luminance": 0.2319
}

Semantic roles & 50–950 ramp

primary

#818B16

secondary

#493EBF

accent

#38EF48

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101005

muted

#7F7F7A

Preview Lab

Preview with #818B16

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

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