#FFD138 Hex Color
Bright golden yellow built for attention

Close to fresh honey or a highlighter marker, this yellow glows with full saturation and plenty of lightness. #ffd138 is too loud for large backgrounds, so give it the 10% accent slot in a palette. It flatters deep navy and charcoal and holds black text at 14.4:1 contrast. Use the hex code for sale tags, budget branding, or construction signage where energy matters.
Questions about #ffd138
What is #ffd138 in RGB, HSL and CMYK?
In RGB, #ffd138 is rgb(255, 209, 56), in HSL hsl(46, 100%, 61%) and in CMYK 0%, 18%, 78%, 0%.
What colors pair well with #ffd138?
Deep navy and charcoal give #ffd138 the contrast it needs, since the yellow is bright enough to wash out beside white or pale gray. Warm browns and plum also ground its glow.
Is #ffd138 readable on white or black?
#ffd138 has a 1.45:1 contrast ratio on white and 14.42:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.