Recognised as Colour
#FEF526
- #FEF526
- Yellow
- Light
- Nearest: Yellow
#FEF526 is a yellow with RGB values 254, 245, 38 and HSL 58°, 99%, 57%. It is a light colour, so black text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Yellow.
Colour values
#FEF526#FEF526
HEX#FEF526
RGBrgb(254, 245, 38)
RGB (0–1)0.9961, 0.9608, 0.149
RGB percentages99.6%, 96.1%, 14.9%
HSLhsl(57.5, 99.1%, 57.3%)
HSV / HSBhsv(57.5, 85%, 99.6%)
CMYK0%, 3.5%, 85%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,708,902
CSS custom property--colour: #FEF526;
Brightness & contrast
Relative luminance0.86516WCAG 2.x, 0 is black and 1 is white
Perceived brightness233.9 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 18.3:1
Contrast with white1.15:1WCAG normal text: Fail
Contrast with black18.3:1WCAG normal text: AAA
Greyscale equivalent#E8E8E8
Inverted#010AD9
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.15:1WCAG large text: Fail
Contrast with black, large text18.3:1WCAG large text: AAA
Named colours
Hue familyyellow
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#262FFE
Analogous#FE8926, #9BFE26
Triadic#26FEF5, #F526FE
Split complementary#269BFE, #8926FE
Tetradic#26FE89, #262FFE, #FE269B
Tints, shades & saturation
Channel breakdown
R254
G245
B38
Red254 (99.6%)
Green245 (96.1%)
Blue38 (14.9%)
Hue57.5°
Saturation (HSL)99.08%
Lightness57.25%
Dominant channelRed
Hex per channelR FE · G F5 · B 26
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Harmonies
Similar named colours
Also reads as
FeF526 (chemical formula)
- Formula
- 10,048.793 g/mol
- 527 atoms
FeF526 has a molar mass of 10,048.793 g/mol, made up of 527 atoms across 2 elements: 1 × Fe, 526 × F.
Molar mass
Molar mass10,048.793 g/mol
Total atoms per molecule527
Distinct elements2
Mass of one molecule1.6686413 × 10^-20 g
Molecules per gram5.9928996 × 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
Fe0.6%
F99.4%
Iron (Fe)55.845 g/mol, 0.556%
Fluorine (F × 526)9,992.948 g/mol, 99.444%
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