#818A17#818A17

#818A17 is a mid, vivid yellow. Relative luminance 0.229; OKLCH L 60.6% C 0.129 H 114.4°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#818A17
RGB	rgb(129, 138, 23)
HSL	hsl(65, 71%, 32%)
HSV	hsv(65, 83%, 54%)
CMYK	cmyk(6.5%, 0%, 83.3%, 45.9%)
CIE-LAB	lab(54.98, -17.23, 54.43)
CIE-LCH	lch(54.98, 57.09, 107.56°)
OKLab	oklab(60.6% -0.0534 0.1179)
OKLCH	oklch(60.6% 0.129 114.4)
XYZ	xyz(18.2970, 22.9063, 4.2680)
Luminance	0.2291 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818A17 #20178A

analogous

#8A5A17 #818A17 #488A17

triadic

#818A17 #17818A #8A1781

tetradic

#818A17 #178A5A #20178A #8A1748

square

#818A17 #178A5A #20178A #8A1748

split-complementary

#818A17 #17488A #5A178A

monochromatic

#1F2106 #50560E #818A17 #B2BE20 #D2DF3D

Accessibility & contrast

On white

3.76

#818A17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#818A17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818A17

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818A17	#FFFFFF	#000000	##000000
##818A17	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#948523

Tritanopia (blue-blind)

#8A8175

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #818a17;
/* rgb */ color: rgb(129, 138, 23);
/* oklch */ color: oklch(60.6% 0.129 114.4);

Tailwind

colors: {
  custom: {
    50: '#a9ac61',
    500: '#818a17',
    950: '#000000',
  },
}

SCSS

$custom: #818a17;
$custom-light: #a9ac61;
$custom-dark: #000000;

JSON

{
  "hex": "#818a17",
  "rgb": {
    "r": 129,
    "g": 138,
    "b": 23
  },
  "hsl": {
    "h": 64.696,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.60597,
    "c": 0.12944,
    "h": 114.4
  },
  "luminance": 0.22906
}

Semantic roles & 50–950 ramp

primary

#818A17

secondary

#493FBE

accent

#3AEE48

background

#FAFAF6

surface

#F4F4EB

border

#CECEC6

text

#101005

muted

#7F7F7A

Preview Lab

Preview with #818A17

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

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