Recognised as Colour
#FCA25B
- #FCA25B
- Orange
- Dark
- Nearest: Sandy brown
#FCA25B is a orange with RGB values 252, 162, 91 and HSL 26°, 96%, 67%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Sandy brown.
Colour values
#FCA25B#FCA25B
HEX#FCA25B
RGBrgb(252, 162, 91)
RGB (0–1)0.9882, 0.6353, 0.3569
RGB percentages98.8%, 63.5%, 35.7%
HSLhsl(26.5, 96.4%, 67.3%)
HSV / HSBhsv(26.5, 63.9%, 98.8%)
CMYK0%, 35.7%, 63.9%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,556,635
CSS custom property--colour: #FCA25B;
Brightness & contrast
Relative luminance0.47291WCAG 2.x, 0 is black and 1 is white
Perceived brightness188 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.46:1
Contrast with white2.01:1WCAG normal text: Fail
Contrast with black10.46:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#035DA4
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.01:1WCAG large text: Fail
Contrast with black, large text10.46:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#5BB5FC
Analogous#FC5B65, #FCF25B
Triadic#5BFCA2, #A25BFC
Split complementary#5BFCF2, #5B65FC
Tetradic#65FC5B, #5BB5FC, #F25BFC
Tints, shades & saturation
Channel breakdown
R252
G162
B91
Red252 (98.8%)
Green162 (63.5%)
Blue91 (35.7%)
Hue26.46°
Saturation (HSL)96.41%
Lightness67.25%
Dominant channelRed
Hex per channelR FC · G A2 · B 5B
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Harmonies
Similar named colours
Also reads as
FCa25B (chemical formula)
- Formula
- 1,031.758 g/mol
- 27 atoms
FCa25B has a molar mass of 1,031.758 g/mol, made up of 27 atoms across 3 elements: 1 × F, 25 × Ca, 1 × B.
Molar mass
Molar mass1,031.758 g/mol
Total atoms per molecule27
Distinct elements3
Mass of one molecule1.7132745 × 10^-21 g
Molecules per gram5.8367764 × 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
F1.8%
Ca97.1%
B1%
Fluorine (F)18.998 g/mol, 1.841%
Calcium (Ca × 25)1,001.95 g/mol, 97.111%
Boron (B)10.81 g/mol, 1.048%
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