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Aqua and Yellow

Triadic color combination with 1.31:1 contrast ratio

#0FF0FE
#FFFF00

Color Values

Aqua
HEX #0FF0FE
RGB 15, 240, 254
HSL 184, 99%, 53%
Yellow
HEX #FFFF00
RGB 255, 255, 0
HSL 60, 100%, 50%

Harmony: Triadic

These colors are roughly 120 degrees apart on the wheel — a triadic relationship that stays lively without clashing. Triadic schemes work best when one color dominates and the other two act as accents.

The hue angle between Aqua and Yellow is 124 degrees. You can explore these relationships interactively in our Color Wheel Tool.

WCAG Contrast

1.31:1
Aqua background with Yellow text
Below AA — decorative use only

UI Preview

Aqua surface

Sample text on a aqua background demonstrates readability and visual hierarchy.

Yellow surface

Sample text on a yellow background demonstrates readability and visual hierarchy.

Design Tokens

CSS Variables

:root {
  --color-a: #0FF0FE;
  --color-b: #FFFF00;
  --color-a-rgb: 15, 240, 254;
  --color-b-rgb: 255, 255, 0;
}

JSON

{
  "name": "Aqua and Yellow",
  "colors": [
    {
      "name": "Aqua",
      "hex": "#0FF0FE",
      "rgb": [
        15,
        240,
        254
      ]
    },
    {
      "name": "Yellow",
      "hex": "#FFFF00",
      "rgb": [
        255,
        255,
        0
      ]
    }
  ],
  "harmony": "Triadic",
  "contrastRatio": 1.31
}

Explore These Colors

Frequently Asked Questions

Do aqua and yellow go together?

Yes. Aqua and Yellow form a triadic color combination. These colors are roughly 120 degrees apart on the wheel — a triadic relationship that stays lively without clashing. Triadic schemes work best when one color dominates and the other two act as accents. The pairing has a WCAG contrast ratio of 1.31:1, which is below the AA threshold for text — use it for decorative purposes rather than text readability.

What is the contrast ratio between aqua and yellow?

The WCAG 2.1 contrast ratio between Aqua (#0FF0FE) and Yellow (#FFFF00) is 1.31:1. This ratio is below AA. Use the pairing for backgrounds, borders, and decorative elements rather than text-on-background combinations.

How do I use aqua 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 aqua and yellow?

Aqua has the hex code #0FF0FE and RGB values rgb(15, 240, 254). 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.