Recognised as Colour
#F3FF91
- #F3FF91
- Yellow
- Light
- Nearest: Khaki
#F3FF91 is a yellow with RGB values 243, 255, 145 and HSL 67°, 100%, 78%. It is a light colour, so black text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Khaki.
Colour values
#F3FF91#F3FF91
HEX#F3FF91
RGBrgb(243, 255, 145)
RGB (0–1)0.9529, 1, 0.5686
RGB percentages95.3%, 100%, 56.9%
HSLhsl(66.5, 100%, 78.4%)
HSV / HSBhsv(66.5, 43.1%, 100%)
CMYK4.7%, 0%, 43.1%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,990,673
CSS custom property--colour: #F3FF91;
Brightness & contrast
Relative luminance0.92619WCAG 2.x, 0 is black and 1 is white
Perceived brightness241.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.52:1
Contrast with white1.08:1WCAG normal text: Fail
Contrast with black19.52:1WCAG normal text: AAA
Greyscale equivalent#F5F5F5
Inverted#0C006E
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 text19.52:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#9D91FF
Analogous#FFD491, #BCFF91
Triadic#91F3FF, #FF91F3
Split complementary#91BCFF, #D491FF
Tetradic#91FFD4, #9D91FF, #FF91BC
Tints, shades & saturation
Channel breakdown
R243
G255
B145
Red243 (95.3%)
Green255 (100%)
Blue145 (56.9%)
Hue66.55°
Saturation (HSL)100%
Lightness78.43%
Dominant channelGreen
Hex per channelR F3 · G FF · B 91
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Harmonies
Similar named colours
Also reads as
F3FF91 (chemical formula)
- Formula
- 1,804.81 g/mol
- 95 atoms
F3FF91 has a molar mass of 1,804.81 g/mol, made up of 95 atoms across 1 element: 95 × F.
Molar mass
Molar mass1,804.81 g/mol
Total atoms per molecule95
Distinct elements1
Mass of one molecule2.9969575 × 10^-21 g
Molecules per gram3.3367173 × 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
F100%
Fluorine (F × 95)1,804.81 g/mol, 100%
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