#FFFF00 color codes
- HEX
- #FFFF00
- HEX8
- #FFFF00FF
- HEX8 (Android)
- #FFFFFF00
- RGB
- rgb(255, 255, 0)
- RGB (%)
- 100%, 100%, 0%
- HSL
- hsl(60, 100%, 50%)
- HSV / HSB
- hsv(60, 100%, 100%)
- CMYK
- cmyk(0%, 0%, 100%, 0%)
- OKLCH
- oklch(0.968 0.211 109.77)
- OKLCH (%)
- oklch(96.8% 0.211 109.77)
- Decimal
- 16776960
What color is #FFFF00?
#FFFF00 sits at 97% lightness and 0.211 chroma in OKLCH, hue 109.77°. Its nearest named color is Yellow (an exact match).
Shades and tints of #FFFF00
Tints
Shades
Tones
#FFFF00 color harmonies
Complementary
Analogous
Triadic
Split-complementary
Tetradic
Square
Monochromatic
Using #FFFF00 in CSS
.text { color: #FFFF00; }
.background { background-color: #FFFF00; }
.border { border: 2px solid #FFFF00; }
/* Modern, perceptually uniform */
.text { color: oklch(0.968 0.211 109.77); }
/* #FFFF00 at 50% transparency */
.overlay { background-color: #FFFF0080; }Is #FFFF00 accessible?
#FFFF00 on white text scores 1.07:1; on black text it scores 19.56:1. Black text passes WCAG AAA on #FFFF00. Recommended text color on a #FFFF00 background: black.
A 19.56:1 vs black
A 1.07:1 vs white
- AA normal ≥ 4.5 Pass
- AA large ≥ 3 Pass
- AAA normal ≥ 7 Pass
- AAA large ≥ 4.5 Pass
Recommended text color: black
CSS
contrast-color() contrast-color(#FFFF00) → black APCA Lc experimental 101.4 Lc · body text — preferred (black text)
WCAG 2.1 AA/AAA is the compliance floor; APCA is an optional readability metric.
Related colors
Nearest featured color: Yellow #FFFF00. See more in the yellow family on the colors hub.
Frequently asked questions
- What color is #FFFF00?
- #FFFF00 is Yellow. In RGB it is rgb(255, 255, 0), and in HSL hsl(60, 100%, 50%).
- What is #FFFF00 in RGB?
- #FFFF00 converts to rgb(255, 255, 0) — red 255, green 255, blue 0.
- What text color is readable on #FFFF00?
- Black text — it has the higher contrast ratio (19.56:1) against #FFFF00. Black text passes WCAG AAA on #FFFF00.