Recognised as Colour
#FFDE51
- #FFDE51
- Yellow
- Light
- Nearest: Gold
#FFDE51 is a yellow with RGB values 255, 222, 81 and HSL 49°, 100%, 66%. 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
#FFDE51#FFDE51
HEX#FFDE51
RGBrgb(255, 222, 81)
RGB (0–1)1, 0.8706, 0.3176
RGB percentages100%, 87.1%, 31.8%
HSLhsl(48.6, 100%, 65.9%)
HSV / HSBhsv(48.6, 68.2%, 100%)
CMYK0%, 12.9%, 68.2%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,768,593
CSS custom property--colour: #FFDE51;
Brightness & contrast
Relative luminance0.74097WCAG 2.x, 0 is black and 1 is white
Perceived brightness221.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.82:1
Contrast with white1.33:1WCAG normal text: Fail
Contrast with black15.82:1WCAG normal text: AAA
Greyscale equivalent#DBDBDB
Inverted#0021AE
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 text15.82:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5172FF
Analogous#FF8751, #C9FF51
Triadic#51FFDE, #DE51FF
Split complementary#51C9FF, #8751FF
Tetradic#51FF87, #5172FF, #FF51C9
Tints, shades & saturation
Channel breakdown
R255
G222
B81
Red255 (100%)
Green222 (87.1%)
Blue81 (31.8%)
Hue48.62°
Saturation (HSL)100%
Lightness65.88%
Dominant channelRed
Hex per channelR FF · G DE · B 51
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