Recognised as Colour
#FB8827
- #FB8827
- Orange
- Dark
- Nearest: Dark orange
#FB8827 is a orange with RGB values 251, 136, 39 and HSL 27°, 96%, 57%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark orange.
Colour values
#FB8827#FB8827
HEX#FB8827
RGBrgb(251, 136, 39)
RGB (0–1)0.9843, 0.5333, 0.1529
RGB percentages98.4%, 53.3%, 15.3%
HSLhsl(27.5, 96.4%, 56.9%)
HSV / HSBhsv(27.5, 84.5%, 98.4%)
CMYK0%, 45.8%, 84.5%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,484,391
CSS custom property--colour: #FB8827;
Brightness & contrast
Relative luminance0.38264WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.65:1
Contrast with white2.43:1WCAG normal text: Fail
Contrast with black8.65:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#0477D8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.43:1WCAG large text: Fail
Contrast with black, large text8.65:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#279AFB
Analogous#FB2730, #FBF227
Triadic#27FB88, #8827FB
Split complementary#27FBF2, #2730FB
Tetradic#30FB27, #279AFB, #F227FB
Tints, shades & saturation
Channel breakdown
R251
G136
B39
Red251 (98.4%)
Green136 (53.3%)
Blue39 (15.3%)
Hue27.45°
Saturation (HSL)96.36%
Lightness56.86%
Dominant channelRed
Hex per channelR FB · G 88 · B 27
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
FB8827 (chemical formula)
- Formula
- 95,438.868 g/mol
- 8828 atoms
FB8827 has a molar mass of 95,438.868 g/mol, made up of 8828 atoms across 2 elements: 1 × F, 8827 × B.
Molar mass
Molar mass95,438.868 g/mol
Total atoms per molecule8828
Distinct elements2
Mass of one molecule1.5847997 × 10^-19 g
Molecules per gram6.3099457 × 10^18
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%
B100%
Fluorine (F)18.998 g/mol, 0.02%
Boron (B × 8827)95,419.87 g/mol, 99.98%
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Nerdulate something else
Nothing in mind? Surprise me · today’s page