Recognised as Colour
#FBB449
- #FBB449
- Orange
- Light
- Nearest: Goldenrod
#FBB449 is a orange with RGB values 251, 180, 73 and HSL 36°, 96%, 64%. 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
#FBB449#FBB449
HEX#FBB449
RGBrgb(251, 180, 73)
RGB (0–1)0.9843, 0.7059, 0.2863
RGB percentages98.4%, 70.6%, 28.6%
HSLhsl(36.1, 95.7%, 63.5%)
HSV / HSBhsv(36.1, 70.9%, 98.4%)
CMYK0%, 28.3%, 70.9%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,495,689
CSS custom property--colour: #FBB449;
Brightness & contrast
Relative luminance0.53633WCAG 2.x, 0 is black and 1 is white
Perceived brightness196.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.73:1
Contrast with white1.79:1WCAG normal text: Fail
Contrast with black11.73:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#044BB6
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.79:1WCAG large text: Fail
Contrast with black, large text11.73:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#4990FB
Analogous#FB5B49, #E9FB49
Triadic#49FBB4, #B449FB
Split complementary#49E9FB, #5B49FB
Tetradic#49FB5B, #4990FB, #FB49E9
Tints, shades & saturation
Channel breakdown
R251
G180
B73
Red251 (98.4%)
Green180 (70.6%)
Blue73 (28.6%)
Hue36.07°
Saturation (HSL)95.7%
Lightness63.53%
Dominant channelRed
Hex per channelR FB · G B4 · B 49
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Harmonies
Similar named colours
Also reads as
FBB449 (chemical formula)
- Formula
- 4,883.498 g/mol
- 451 atoms
FBB449 has a molar mass of 4,883.498 g/mol, made up of 451 atoms across 2 elements: 1 × F, 450 × B.
Molar mass
Molar mass4,883.498 g/mol
Total atoms per molecule451
Distinct elements2
Mass of one molecule8.1092392 × 10^-21 g
Molecules per gram1.2331613 × 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, 0.389%
Boron (B × 450)4,864.5 g/mol, 99.611%
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