White Color
Web safe NeutralsThe presence of all visible wavelengths of light at full intensity, the lightest possible color.
Conversions
#ffffffrgb(255, 255, 255)hsl(0, 0%, 100%)hsv(0, 0%, 100%)cmyk(0%, 0%, 0%, 0%)lab(100, -0, 0)lch(100, 0, 180)oklch(100%, 0, 0)hwb(0, 100%, 0%)Harmony colors
Accessibility
Black text reads better on this background (21:1). That passes WCAG AAA (≥7:1) for normal-size text.
Under color vision deficiencies
Protanopia
#ffffff · ΔE 0
Deuteranopia
#ffffff · ΔE 0
Tritanopia
#ffffff · ΔE 0
Achromatopsia
#ffffff · ΔE 0
Left half is the original, right half is the simulated appearance. See all 8 vision types →
Code
background-color: #ffffff;bg-[#ffffff]Related colors
Frequently asked questions
White (#ffffff) is rgb(255, 255, 255) in RGB.
Yes, #ffffff is one of the 216 web-safe colors — every channel is a multiple of 51.
Related tools
HEX to RGB Converter
Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.
Try it → AccessibilityContrast Checker
Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.
Try it → GeneratorsPalette Generator
Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.
Try it →Build something with this color
Generate a full palette from #ffffff, or check how it holds up for accessibility.