Recognised as Colour

#FB900C

#FB900C
Orange
Dark
Nearest: Dark orange

#FB900C is a orange with RGB values 251, 144, 12 and HSL 33°, 97%, 52%. It is a dark colour, so black text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark orange.

Colour values

#FB900C#FB900C

HEX#FB900C

RGBrgb(251, 144, 12)

RGB (0–1)0.9843, 0.5647, 0.0471

RGB percentages98.4%, 56.5%, 4.7%

HSLhsl(33.1, 96.8%, 51.6%)

HSV / HSBhsv(33.1, 95.2%, 98.4%)

CMYK0%, 42.6%, 95.2%, 1.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,486,412

CSS custom property--colour: #FB900C;

Brightness & contrast

Relative luminance0.40482WCAG 2.x, 0 is black and 1 is white

Perceived brightness176.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.1:1

Contrast with white2.31:1WCAG normal text: Fail

Contrast with black9.1:1WCAG normal text: AAA

Greyscale equivalent#9D9D9D

Inverted#046FF3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#B19C00no red cones; affects about 1% of men; ΔE 39.6 from the original

Deuteranopia#CAB40Dno green cones; the most common form, about 1% of men; ΔE 40.2 from the original

Tritanopia#FF777Bno blue cones; rare, and affects men and women equally; ΔE 54.2 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.31:1WCAG large text: Fail

Contrast with black, large text9.1:1WCAG large text: AAA

Named colours

Dark orange · ΔE 3.9 Orange · ΔE 11.8 Chocolate · ΔE 22.3 Goldenrod · ΔE 25.3 Dark goldenrod · ΔE 28 Coral · ΔE 29.1

Nearest named CSS colourDark orange (#FF8C00)ΔE 3.93, a close match

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#0C77FB

Analogous#FB180C, #EFFB0C

Triadic#0CFB90, #900CFB

Split complementary#0CEEFB, #190CFB

Tetradic#0CFB18, #0C77FB, #FB0CEE

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FEECD5

Lighter +30%#FDD5A3

Lighter +20%#FDBE70

Lighter +10%#FCA73E

Darker −10%#D17503

Darker −20%#9E5903

Darker −30%#6C3D02

Darker −40%#3A2001

More saturated +25%#FF9008

Less saturated −25%#DC8D2B

Channel breakdown

R251

G144

B12

Red251 (98.4%)

Green144 (56.5%)

Blue12 (4.7%)

Hue33.14°

Saturation (HSL)96.76%

Lightness51.57%

Dominant channelRed

Hex per channelR FB · G 90 · B 0C

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

FB900C (chemical formula)

Formula
9,760.009 g/mol
902 atoms

FB900C has a molar mass of 9,760.009 g/mol, made up of 902 atoms across 3 elements: 1 × F, 900 × B, 1 × C.

Open this reading on its own page →

Molar mass

Molar mass9,760.009 g/mol

Total atoms per molecule902

Distinct elements3

Mass of one molecule1.6206876 × 10^-20 g

Molecules per gram6.1702205 × 10^19

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

F0.2%

B99.7%

C0.1%

Fluorine (F)18.998 g/mol, 0.195%

Boron (B × 900)9,729 g/mol, 99.682%

Carbon (C)12.011 g/mol, 0.123%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Nerdulate something else

Nothing in mind? Surprise me · today’s page