Recognised as Colour
#FB703C
- #FB703C
- Orange
- Dark
- Nearest: Coral
#FB703C is a orange with RGB values 251, 112, 60 and HSL 16°, 96%, 61%. It is a dark colour, so black text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Coral.
Colour values
#FB703C#FB703C
HEX#FB703C
RGBrgb(251, 112, 60)
RGB (0–1)0.9843, 0.4392, 0.2353
RGB percentages98.4%, 43.9%, 23.5%
HSLhsl(16.3, 96%, 61%)
HSV / HSBhsv(16.3, 76.1%, 98.4%)
CMYK0%, 55.4%, 76.1%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,478,268
CSS custom property--colour: #FB703C;
Brightness & contrast
Relative luminance0.32424WCAG 2.x, 0 is black and 1 is white
Perceived brightness163.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.48:1
Contrast with white2.81:1WCAG normal text: Fail
Contrast with black7.48:1WCAG normal text: AAA
Greyscale equivalent#8A8A8A
Inverted#048FC3
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.81:1WCAG large text: Fail
Contrast with black, large text7.48:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#3CC7FB
Analogous#FB3C67, #FBD03C
Triadic#3CFB70, #703CFB
Split complementary#3CFBD0, #3C67FB
Tetradic#67FB3C, #3CC7FB, #D03CFB
Tints, shades & saturation
Channel breakdown
R251
G112
B60
Red251 (98.4%)
Green112 (43.9%)
Blue60 (23.5%)
Hue16.34°
Saturation (HSL)95.98%
Lightness60.98%
Dominant channelRed
Hex per channelR FB · G 70 · B 3C
Keep nerding
Every link below is a page Nerdulator can generate from what it already knows about this value.
Also reads as
FB703C (chemical formula)
- Formula
- 7,630.439 g/mol
- 705 atoms
FB703C has a molar mass of 7,630.439 g/mol, made up of 705 atoms across 3 elements: 1 × F, 703 × B, 1 × C.
Molar mass
Molar mass7,630.439 g/mol
Total atoms per molecule705
Distinct elements3
Mass of one molecule1.2670642 × 10^-20 g
Molecules per gram7.8922599 × 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%
B99.6%
C0.2%
Fluorine (F)18.998 g/mol, 0.249%
Boron (B × 703)7,599.43 g/mol, 99.594%
Carbon (C)12.011 g/mol, 0.157%
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