Recognised as Colour
#F38B63
- #F38B63
- Orange
- Dark
- Nearest: Light salmon
#F38B63 is a orange with RGB values 243, 139, 99 and HSL 17°, 86%, 67%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Light salmon.
Colour values
#F38B63#F38B63
HEX#F38B63
RGBrgb(243, 139, 99)
RGB (0–1)0.9529, 0.5451, 0.3882
RGB percentages95.3%, 54.5%, 38.8%
HSLhsl(16.7, 85.7%, 67.1%)
HSV / HSBhsv(16.7, 59.3%, 95.3%)
CMYK0%, 42.8%, 59.3%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,960,931
CSS custom property--colour: #F38B63;
Brightness & contrast
Relative luminance0.38421WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.68:1
Contrast with white2.42:1WCAG normal text: Fail
Contrast with black8.68:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#0C749C
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.42:1WCAG large text: Fail
Contrast with black, large text8.68:1WCAG large text: AAA
Named colours
Hue familyorange
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#63CBF3
Analogous#F36383, #F3D363
Triadic#63F38B, #8B63F3
Split complementary#63F3D3, #6383F3
Tetradic#83F363, #63CBF3, #D363F3
Tints, shades & saturation
Channel breakdown
R243
G139
B99
Red243 (95.3%)
Green139 (54.5%)
Blue99 (38.8%)
Hue16.67°
Saturation (HSL)85.71%
Lightness67.06%
Dominant channelRed
Hex per channelR F3 · G 8B · B 63
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Harmonies
Similar named colours
Also reads as
F38B63 (chemical formula)
- Formula
- 1,402.954 g/mol
- 101 atoms
F38B63 has a molar mass of 1,402.954 g/mol, made up of 101 atoms across 2 elements: 38 × F, 63 × B.
Molar mass
Molar mass1,402.954 g/mol
Total atoms per molecule101
Distinct elements2
Mass of one molecule2.3296599 × 10^-21 g
Molecules per gram4.292472 × 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
F51.5%
B48.5%
Fluorine (F × 38)721.924 g/mol, 51.457%
Boron (B × 63)681.03 g/mol, 48.543%
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