Recognised as Colour
#F4B550
- #F4B550
- Orange
- Light
- Nearest: Goldenrod
#F4B550 is a orange with RGB values 244, 181, 80 and HSL 37°, 88%, 64%. It is a light colour, so black text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.
Colour values
#F4B550#F4B550
HEX#F4B550
RGBrgb(244, 181, 80)
RGB (0–1)0.9569, 0.7098, 0.3137
RGB percentages95.7%, 71%, 31.4%
HSLhsl(37, 88.2%, 63.5%)
HSV / HSBhsv(37, 67.2%, 95.7%)
CMYK0%, 25.8%, 67.2%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,037,200
CSS custom property--colour: #F4B550;
Brightness & contrast
Relative luminance0.5286WCAG 2.x, 0 is black and 1 is white
Perceived brightness194.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.57:1
Contrast with white1.81:1WCAG normal text: Fail
Contrast with black11.57:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#0B4AAF
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.81:1WCAG large text: Fail
Contrast with black, large text11.57:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#508FF4
Analogous#F46350, #E1F450
Triadic#50F4B5, #B550F4
Split complementary#50E1F4, #6350F4
Tetradic#50F463, #508FF4, #F450E1
Tints, shades & saturation
Channel breakdown
R244
G181
B80
Red244 (95.7%)
Green181 (71%)
Blue80 (31.4%)
Hue36.95°
Saturation (HSL)88.17%
Lightness63.53%
Dominant channelRed
Hex per channelR F4 · G B5 · B 50
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Harmonies
Similar named colours
Also reads as
F4B550 (chemical formula)
- Formula
- 6,021.492 g/mol
- 554 atoms
F4B550 has a molar mass of 6,021.492 g/mol, made up of 554 atoms across 2 elements: 4 × F, 550 × B.
Molar mass
Molar mass6,021.492 g/mol
Total atoms per molecule554
Distinct elements2
Mass of one molecule9.9989227 × 10^-21 g
Molecules per gram1.0001077 × 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
F1.3%
B98.7%
Fluorine (F × 4)75.992 g/mol, 1.262%
Boron (B × 550)5,945.5 g/mol, 98.738%
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