#818F17#818F17

#818F17 is a mid, vivid yellow. Relative luminance 0.244; OKLCH L 61.8% C 0.135 H 116.7°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#818F17
RGB	rgb(129, 143, 23)
HSL	hsl(67, 72%, 33%)
HSV	hsv(67, 84%, 56%)
CMYK	cmyk(9.8%, 0%, 83.9%, 43.9%)
CIE-LAB	lab(56.46, -19.82, 55.72)
CIE-LCH	lch(56.46, 59.14, 109.58°)
OKLab	oklab(61.79% -0.0606 0.1207)
OKLCH	oklch(61.79% 0.135 116.7)
XYZ	xyz(19.0309, 24.3742, 4.5126)
Luminance	0.2437 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818F17 #25178F

analogous

#8F6117 #818F17 #458F17

triadic

#818F17 #17818F #8F1781

tetradic

#818F17 #178F61 #25178F #8F1745

square

#818F17 #178F61 #25178F #8F1745

split-complementary

#818F17 #17458F #61178F

monochromatic

#222606 #515A0F #818F17 #B1C41F #CEE040

Accessibility & contrast

On white

3.57

#818F17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#818F17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818F17

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818F17	#FFFFFF	#000000	##000000
##818F17	1.00	3.57	5.87	5.87
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#998700

Deuteranopia (green-blind)

#988824

Tritanopia (blue-blind)

#8A867A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #818f17;
/* rgb */ color: rgb(129, 143, 23);
/* oklch */ color: oklch(61.8% 0.135 116.7);

Tailwind

colors: {
  custom: {
    50: '#a9af61',
    500: '#818f17',
    950: '#000000',
  },
}

SCSS

$custom: #818f17;
$custom-light: #a9af61;
$custom-dark: #000000;

JSON

{
  "hex": "#818f17",
  "rgb": {
    "r": 129,
    "g": 143,
    "b": 23
  },
  "hsl": {
    "h": 67,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.6179,
    "c": 0.135,
    "h": 116.7
  },
  "luminance": 0.24374
}

Semantic roles & 50–950 ramp

primary

#818F17

secondary

#5041C1

accent

#39EF4E

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101006

muted

#7F7F7A

Preview Lab

Preview with #818F17

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

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