Recognised as Colour
#FBB433
- #FBB433
- Orange
- Light
- Nearest: Goldenrod
#FBB433 is a orange with RGB values 251, 180, 51 and HSL 39°, 96%, 59%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#FBB433#FBB433
HEX#FBB433
RGBrgb(251, 180, 51)
RGB (0–1)0.9843, 0.7059, 0.2
RGB percentages98.4%, 70.6%, 20%
HSLhsl(38.7, 96.2%, 59.2%)
HSV / HSBhsv(38.7, 79.7%, 98.4%)
CMYK0%, 28.3%, 79.7%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,495,667
CSS custom property--colour: #FBB433;
Brightness & contrast
Relative luminance0.53391WCAG 2.x, 0 is black and 1 is white
Perceived brightness195.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.68:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.68:1WCAG normal text: AAA
Greyscale equivalent#BABABA
Inverted#044BCC
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.8:1WCAG large text: Fail
Contrast with black, large text11.68:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#337AFB
Analogous#FB5033, #DEFB33
Triadic#33FBB4, #B433FB
Split complementary#33DEFB, #5033FB
Tetradic#33FB50, #337AFB, #FB33DE
Tints, shades & saturation
Channel breakdown
R251
G180
B51
Red251 (98.4%)
Green180 (70.6%)
Blue51 (20%)
Hue38.7°
Saturation (HSL)96.15%
Lightness59.22%
Dominant channelRed
Hex per channelR FB · G B4 · B 33
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Harmonies
Similar named colours
Also reads as
FBB433 (chemical formula)
- Formula
- 4,710.538 g/mol
- 435 atoms
FBB433 has a molar mass of 4,710.538 g/mol, made up of 435 atoms across 2 elements: 1 × F, 434 × B.
Molar mass
Molar mass4,710.538 g/mol
Total atoms per molecule435
Distinct elements2
Mass of one molecule7.8220324 × 10^-21 g
Molecules per gram1.2784401 × 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
F0.4%
B99.6%
Fluorine (F)18.998 g/mol, 0.403%
Boron (B × 434)4,691.54 g/mol, 99.597%
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