Recognised as Colour
#FE8B40
- #FE8B40
- Orange
- Dark
- Nearest: Coral
#FE8B40 is a orange with RGB values 254, 139, 64 and HSL 24°, 99%, 62%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Coral.
Colour values
#FE8B40#FE8B40
HEX#FE8B40
RGBrgb(254, 139, 64)
RGB (0–1)0.9961, 0.5451, 0.251
RGB percentages99.6%, 54.5%, 25.1%
HSLhsl(23.7, 99%, 62.4%)
HSV / HSBhsv(23.7, 74.8%, 99.6%)
CMYK0%, 45.3%, 74.8%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,681,792
CSS custom property--colour: #FE8B40;
Brightness & contrast
Relative luminance0.39906WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.98:1
Contrast with white2.34:1WCAG normal text: Fail
Contrast with black8.98:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#0174BF
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.34:1WCAG large text: Fail
Contrast with black, large text8.98:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#40B3FE
Analogous#FE4054, #FEEA40
Triadic#40FE8B, #8B40FE
Split complementary#40FEEA, #4054FE
Tetradic#54FE40, #40B3FE, #EA40FE
Tints, shades & saturation
Channel breakdown
R254
G139
B64
Red254 (99.6%)
Green139 (54.5%)
Blue64 (25.1%)
Hue23.68°
Saturation (HSL)98.96%
Lightness62.35%
Dominant channelRed
Hex per channelR FE · G 8B · B 40
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Harmonies
Similar named colours
Also reads as
Fe8B40 (chemical formula)
- Formula
- 879.16 g/mol
- 48 atoms
Fe8B40 has a molar mass of 879.16 g/mol, made up of 48 atoms across 2 elements: 8 × Fe, 40 × B.
Molar mass
Molar mass879.16 g/mol
Total atoms per molecule48
Distinct elements2
Mass of one molecule1.4598795 × 10^-21 g
Molecules per gram6.8498803 × 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
Fe50.8%
B49.2%
Iron (Fe × 8)446.76 g/mol, 50.817%
Boron (B × 40)432.4 g/mol, 49.183%
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