Recognised as Colour
#FCFF38
- #FCFF38
- Yellow
- Light
- Nearest: Yellow
#FCFF38 is a yellow with RGB values 252, 255, 56 and HSL 61°, 100%, 61%. It is a light colour, so black text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Yellow.
Colour values
#FCFF38#FCFF38
HEX#FCFF38
RGBrgb(252, 255, 56)
RGB (0–1)0.9882, 1, 0.2196
RGB percentages98.8%, 100%, 22%
HSLhsl(60.9, 100%, 61%)
HSV / HSBhsv(60.9, 78%, 100%)
CMYK1.2%, 0%, 78%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,580,408
CSS custom property--colour: #FCFF38;
Brightness & contrast
Relative luminance0.92501WCAG 2.x, 0 is black and 1 is white
Perceived brightness239.8 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.5:1
Contrast with white1.08:1WCAG normal text: Fail
Contrast with black19.5:1WCAG normal text: AAA
Greyscale equivalent#F0F0F0
Inverted#0300C7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.08:1WCAG large text: Fail
Contrast with black, large text19.5:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3B38FF
Analogous#FF9E38, #99FF38
Triadic#38FCFF, #FF38FC
Split complementary#3899FF, #9E38FF
Tetradic#38FF9E, #3B38FF, #FF3899
Tints, shades & saturation
Channel breakdown
R252
G255
B56
Red252 (98.8%)
Green255 (100%)
Blue56 (22%)
Hue60.9°
Saturation (HSL)100%
Lightness60.98%
Dominant channelGreen
Hex per channelR FC · G FF · B 38
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Harmonies
Similar named colours
Also reads as
FCFF38 (chemical formula)
- Formula
- 771.931 g/mol
- 41 atoms
FCFF38 has a molar mass of 771.931 g/mol, made up of 41 atoms across 2 elements: 40 × F, 1 × C.
Molar mass
Molar mass771.931 g/mol
Total atoms per molecule41
Distinct elements2
Mass of one molecule1.2818216 × 10^-21 g
Molecules per gram7.8013977 × 10^20
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
F98.4%
C1.6%
Fluorine (F × 40)759.92 g/mol, 98.444%
Carbon (C)12.011 g/mol, 1.556%
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