Crimson and Yellow

CSS Variables

:root {
  --color-a: #8C000F;
  --color-b: #FFFF00;
  --color-a-rgb: 140, 0, 15;
  --color-b-rgb: 255, 255, 0;
}

JSON

{
  "name": "Crimson and Yellow",
  "colors": [
    {
      "name": "Crimson",
      "hex": "#8C000F",
      "rgb": [
        140,
        0,
        15
      ]
    },
    {
      "name": "Yellow",
      "hex": "#FFFF00",
      "rgb": [
        255,
        255,
        0
      ]
    }
  ],
  "harmony": "Contrasting",
  "contrastRatio": 9.22
}

Do crimson and yellow go together?

Yes. Crimson and Yellow form a contrasting color combination. These colors sit far enough apart on the wheel to create clear contrast without falling into a named harmony. The pairing works through difference rather than relationship, which suits designs that want variety over cohesion. The pairing has a WCAG contrast ratio of 9.22:1, which passes AA for large text and UI components.

What is the contrast ratio between crimson and yellow?

The WCAG 2.1 contrast ratio between Crimson (#8C000F) and Yellow (#FFFF00) is 9.22:1. This passes AAA for all text sizes.

How do I use crimson and yellow in design?

A safe starting point is the 60/30/10 rule: give one color about 60 percent of the surface area, the other about 30 percent, and reserve the remaining 10 percent for an accent or neutral. If one color is significantly darker, use it for text or structural elements and the lighter one for backgrounds. Test the result with our Contrast Checker if text is involved.

What are the hex and RGB values for crimson and yellow?

Crimson has the hex code #8C000F and RGB values rgb(140, 0, 15). Yellow has the hex code #FFFF00 and RGB values rgb(255, 255, 0). You can copy these directly into CSS or use the design tokens provided on this page.