Recognised as Colour
#FBA138
- #FBA138
- Orange
- Dark
- Nearest: Orange
#FBA138 is a orange with RGB values 251, 161, 56 and HSL 32°, 96%, 60%. It is a dark colour, so black text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Orange.
Colour values
#FBA138#FBA138
HEX#FBA138
RGBrgb(251, 161, 56)
RGB (0–1)0.9843, 0.6314, 0.2196
RGB percentages98.4%, 63.1%, 22%
HSLhsl(32.3, 96.1%, 60.2%)
HSV / HSBhsv(32.3, 77.7%, 98.4%)
CMYK0%, 35.9%, 77.7%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,490,808
CSS custom property--colour: #FBA138;
Brightness & contrast
Relative luminance0.46284WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.26:1
Contrast with white2.05:1WCAG normal text: Fail
Contrast with black10.26:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#045EC7
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.05:1WCAG large text: Fail
Contrast with black, large text10.26:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3892FB
Analogous#FB4038, #F3FB38
Triadic#38FBA1, #A138FB
Split complementary#38F3FB, #4038FB
Tetradic#38FB40, #3892FB, #FB38F3
Tints, shades & saturation
Channel breakdown
R251
G161
B56
Red251 (98.4%)
Green161 (63.1%)
Blue56 (22%)
Hue32.31°
Saturation (HSL)96.06%
Lightness60.2%
Dominant channelRed
Hex per channelR FB · G A1 · B 38
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Harmonies
Similar named colours
Also reads as
FBa138 (chemical formula)
- Formula
- 18,970.538 g/mol
- 139 atoms
FBa138 has a molar mass of 18,970.538 g/mol, made up of 139 atoms across 2 elements: 1 × F, 138 × Ba.
Molar mass
Molar mass18,970.538 g/mol
Total atoms per molecule139
Distinct elements2
Mass of one molecule3.1501319 × 10^-20 g
Molecules per gram3.1744702 × 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
F0.1%
Ba99.9%
Fluorine (F)18.998 g/mol, 0.1%
Barium (Ba × 138)18,951.54 g/mol, 99.9%
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