Recognised as Colour
#FBB425
- #FBB425
- Orange
- Light
- Nearest: Orange
#FBB425 is a orange with RGB values 251, 180, 37 and HSL 40°, 96%, 56%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Orange.
Colour values
#FBB425#FBB425
HEX#FBB425
RGBrgb(251, 180, 37)
RGB (0–1)0.9843, 0.7059, 0.1451
RGB percentages98.4%, 70.6%, 14.5%
HSLhsl(40.1, 96.4%, 56.5%)
HSV / HSBhsv(40.1, 85.3%, 98.4%)
CMYK0%, 28.3%, 85.3%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,495,653
CSS custom property--colour: #FBB425;
Brightness & contrast
Relative luminance0.53285WCAG 2.x, 0 is black and 1 is white
Perceived brightness195 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.66:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.66:1WCAG normal text: AAA
Greyscale equivalent#B9B9B9
Inverted#044BDA
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 text11.66:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#256CFB
Analogous#FB4925, #D7FB25
Triadic#25FBB4, #B425FB
Split complementary#25D7FB, #4925FB
Tetradic#25FB49, #256CFB, #FB25D7
Tints, shades & saturation
Channel breakdown
R251
G180
B37
Red251 (98.4%)
Green180 (70.6%)
Blue37 (14.5%)
Hue40.09°
Saturation (HSL)96.4%
Lightness56.47%
Dominant channelRed
Hex per channelR FB · G B4 · B 25
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Also reads as
FBB425 (chemical formula)
- Formula
- 4,624.058 g/mol
- 427 atoms
FBB425 has a molar mass of 4,624.058 g/mol, made up of 427 atoms across 2 elements: 1 × F, 426 × B.
Molar mass
Molar mass4,624.058 g/mol
Total atoms per molecule427
Distinct elements2
Mass of one molecule7.678429 × 10^-21 g
Molecules per gram1.3023497 × 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, 0.411%
Boron (B × 426)4,605.06 g/mol, 99.589%
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