Recognised as Colour

#FFCA65

#FFCA65
Orange
Light
Nearest: Goldenrod

#FFCA65 is a orange with RGB values 255, 202, 101 and HSL 39°, 100%, 70%. It is a light colour, so black text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Goldenrod.

Colour values

#FFCA65#FFCA65

HEX#FFCA65

RGBrgb(255, 202, 101)

RGB (0–1)1, 0.7922, 0.3961

RGB percentages100%, 79.2%, 39.6%

HSLhsl(39.4, 100%, 69.8%)

HSV / HSBhsv(39.4, 60.4%, 100%)

CMYK0%, 20.8%, 60.4%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,763,493

CSS custom property--colour: #FFCA65;

Brightness & contrast

Relative luminance0.64441WCAG 2.x, 0 is black and 1 is white

Perceived brightness211.1 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.89:1

Contrast with white1.51:1WCAG normal text: Fail

Contrast with black13.89:1WCAG normal text: AAA

Greyscale equivalent#CECECE

Inverted#00359A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#E0CA5Bno red cones; affects about 1% of men; ΔE 13.8 from the original

Deuteranopia#EDD868no green cones; the most common form, about 1% of men; ΔE 14.5 from the original

Tritanopia#FFBAB3no blue cones; rare, and affects men and women equally; ΔE 46.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.51:1WCAG large text: Fail

Contrast with black, large text13.89:1WCAG large text: AAA

Named colours

Goldenrod · ΔE 18.1 Sandy brown · ΔE 20.7 Khaki · ΔE 21.5 Dark goldenrod · ΔE 25.8 Dark khaki · ΔE 26.4 Burlywood · ΔE 27.5

Nearest named CSS colourGoldenrod (#DAA520)ΔE 18.1, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#659AFF

Analogous#FF7D65, #E7FF65

Triadic#65FFCA, #CA65FF

Split complementary#65E7FF, #7D65FF

Tetradic#65FF7D, #659AFF, #FF65E7

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFE

Lighter +20%#FFEDCB

Lighter +10%#FFDC98

Darker −10%#FFB832

Darker −20%#FEA700

Darker −30%#CB8500

Darker −40%#986400

More saturated +25%#FFCA65

Less saturated −25%#ECC478

Channel breakdown

R255

G202

B101

Red255 (100%)

Green202 (79.2%)

Blue101 (39.6%)

Hue39.35°

Saturation (HSL)100%

Lightness69.8%

Dominant channelRed

Hex per channelR FF · G CA · B 65

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Harmonies

Lighter and darker

Similar named colours

Also reads as

FFCa65 (chemical formula)

Formula
2,643.066 g/mol
67 atoms

FFCa65 has a molar mass of 2,643.066 g/mol, made up of 67 atoms across 2 elements: 2 × F, 65 × Ca.

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Molar mass

Molar mass2,643.066 g/mol

Total atoms per molecule67

Distinct elements2

Mass of one molecule4.3889144 × 10^-21 g

Molecules per gram2.2784678 × 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

F1.4%

Ca98.6%

Fluorine (F × 2)37.996 g/mol, 1.438%

Calcium (Ca × 65)2,605.07 g/mol, 98.562%

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Elements in this formula

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