Recognised as Colour
#FDDF31
- #FDDF31
- Yellow
- Light
- Nearest: Gold
#FDDF31 is a yellow with RGB values 253, 223, 49 and HSL 51°, 98%, 59%. It is a light colour, so black text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Gold.
Colour values
#FDDF31#FDDF31
HEX#FDDF31
RGBrgb(253, 223, 49)
RGB (0–1)0.9922, 0.8745, 0.1922
RGB percentages99.2%, 87.5%, 19.2%
HSLhsl(51.2, 98.1%, 59.2%)
HSV / HSBhsv(51.2, 80.6%, 99.2%)
CMYK0%, 11.9%, 80.6%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,637,745
CSS custom property--colour: #FDDF31;
Brightness & contrast
Relative luminance0.7388WCAG 2.x, 0 is black and 1 is white
Perceived brightness220.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.78:1
Contrast with white1.33:1WCAG normal text: Fail
Contrast with black15.78:1WCAG normal text: AAA
Greyscale equivalent#D9D9D9
Inverted#0220CE
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.33:1WCAG large text: Fail
Contrast with black, large text15.78:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#314FFD
Analogous#FD7931, #B5FD31
Triadic#31FDDF, #DF31FD
Split complementary#31B5FD, #7931FD
Tetradic#31FD79, #314FFD, #FD31B5
Tints, shades & saturation
Channel breakdown
R253
G223
B49
Red253 (99.2%)
Green223 (87.5%)
Blue49 (19.2%)
Hue51.18°
Saturation (HSL)98.08%
Lightness59.22%
Dominant channelRed
Hex per channelR FD · G DF · B 31
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page