Recognised as Colour
#F8F400
- #F8F400
- Yellow
- Light
- Nearest: Yellow
#F8F400 is a yellow with RGB values 248, 244, 0 and HSL 59°, 100%, 49%. It is a light colour, so black text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Yellow.
Colour values
#F8F400#F8F400
HEX#F8F400
RGBrgb(248, 244, 0)
RGB (0–1)0.9725, 0.9569, 0
RGB percentages97.3%, 95.7%, 0%
HSLhsl(59, 100%, 48.6%)
HSV / HSBhsv(59, 100%, 97.3%)
CMYK0%, 1.6%, 100%, 2.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,315,392
CSS custom property--colour: #F8F400;
Brightness & contrast
Relative luminance0.84658WCAG 2.x, 0 is black and 1 is white
Perceived brightness230.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 17.93:1
Contrast with white1.17:1WCAG normal text: Fail
Contrast with black17.93:1WCAG normal text: AAA
Greyscale equivalent#E3E3E3
Inverted#070BFF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.17:1WCAG large text: Fail
Contrast with black, large text17.93:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#0004F8
Analogous#F87800, #80F800
Triadic#00F8F4, #F400F8
Split complementary#0080F8, #7800F8
Tetradic#00F878, #0004F8, #F80080
Tints, shades & saturation
Channel breakdown
R248
G244
B0
Red248 (97.3%)
Green244 (95.7%)
Blue0 (0%)
Hue59.03°
Saturation (HSL)100%
Lightness48.63%
Dominant channelRed
Hex per channelR F8 · G F4 · B 00
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Harmonies
Similar named colours
Also reads as
F8F400 (chemical formula)
- Formula
- 7,751.184 g/mol
- 408 atoms
F8F400 has a molar mass of 7,751.184 g/mol, made up of 408 atoms across 1 element: 408 × F.
Molar mass
Molar mass7,751.184 g/mol
Total atoms per molecule408
Distinct elements1
Mass of one molecule1.2871144 × 10^-20 g
Molecules per gram7.7693173 × 10^19
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
F100%
Fluorine (F × 408)7,751.184 g/mol, 100%
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