Recognised as Colour
#F3FF35
- #F3FF35
- Yellow
- Light
- Nearest: Yellow
#F3FF35 is a yellow with RGB values 243, 255, 53 and HSL 64°, 100%, 60%. It is a light colour, so black text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Yellow.
Colour values
#F3FF35#F3FF35
HEX#F3FF35
RGBrgb(243, 255, 53)
RGB (0–1)0.9529, 1, 0.2078
RGB percentages95.3%, 100%, 20.8%
HSLhsl(63.6, 100%, 60.4%)
HSV / HSBhsv(63.6, 79.2%, 100%)
CMYK4.7%, 0%, 79.2%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,990,581
CSS custom property--colour: #F3FF35;
Brightness & contrast
Relative luminance0.90832WCAG 2.x, 0 is black and 1 is white
Perceived brightness237 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 19.17:1
Contrast with white1.1:1WCAG normal text: Fail
Contrast with black19.17:1WCAG normal text: AAA
Greyscale equivalent#EEEEEE
Inverted#0C00CA
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.1:1WCAG large text: Fail
Contrast with black, large text19.17:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4135FF
Analogous#FFA635, #8EFF35
Triadic#35F3FF, #FF35F3
Split complementary#358EFF, #A635FF
Tetradic#35FFA6, #4135FF, #FF358E
Tints, shades & saturation
Channel breakdown
R243
G255
B53
Red243 (95.3%)
Green255 (100%)
Blue53 (20.8%)
Hue63.56°
Saturation (HSL)100%
Lightness60.39%
Dominant channelGreen
Hex per channelR F3 · G FF · B 35
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Harmonies
Similar named colours
Also reads as
F3FF35 (chemical formula)
- Formula
- 740.922 g/mol
- 39 atoms
F3FF35 has a molar mass of 740.922 g/mol, made up of 39 atoms across 1 element: 39 × F.
Molar mass
Molar mass740.922 g/mol
Total atoms per molecule39
Distinct elements1
Mass of one molecule1.2303299 × 10^-21 g
Molecules per gram8.1279011 × 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 × 39)740.922 g/mol, 100%
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