Recognised as Colour

#F1FF55

#F1FF55
Yellow
Light
Nearest: Yellow

#F1FF55 is a yellow with RGB values 241, 255, 85 and HSL 65°, 100%, 67%. It is a light colour, so black text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Yellow.

Colour values

#F1FF55#F1FF55

HEX#F1FF55

RGBrgb(241, 255, 85)

RGB (0–1)0.9451, 1, 0.3333

RGB percentages94.5%, 100%, 33.3%

HSLhsl(64.9, 100%, 66.7%)

HSV / HSBhsv(64.9, 66.7%, 100%)

CMYK5.5%, 0%, 66.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,859,541

CSS custom property--colour: #F1FF55;

Brightness & contrast

Relative luminance0.90877WCAG 2.x, 0 is black and 1 is white

Perceived brightness237.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 19.18:1

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

Contrast with black19.18:1WCAG normal text: AAA

Greyscale equivalent#F0F0F0

Inverted#0E00AA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#FFF33Bno red cones; affects about 1% of men; ΔE 12.5 from the original

Deuteranopia#FFF661no green cones; the most common form, about 1% of men; ΔE 12 from the original

Tritanopia#FFF0DDno blue cones; rare, and affects men and women equally; ΔE 70.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

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

Contrast with black, large text19.18:1WCAG large text: AAA

Named colours

Yellow · ΔE 18.9 Yellow green · ΔE 25.5 Gold · ΔE 27.3 Green yellow · ΔE 28.5 Khaki · ΔE 35.3 Goldenrod · ΔE 42.8

Nearest named CSS colourYellow (#FFFF00)ΔE 18.89, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#6355FF

Analogous#FFB855, #9CFF55

Triadic#55F1FF, #FF55F1

Split complementary#559CFF, #B855FF

Tetradic#55FFB8, #6355FF, #FF559C

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FEFFEE

Lighter +20%#F9FFBB

Lighter +10%#F5FF88

Darker −10%#EDFF22

Darker −20%#DAEE00

Darker −30%#ACBB00

Darker −40%#7D8800

More saturated +25%#F1FF55

Less saturated −25%#DFEA6A

Channel breakdown

R241

G255

B85

Red241 (94.5%)

Green255 (100%)

Blue85 (33.3%)

Hue64.94°

Saturation (HSL)100%

Lightness66.67%

Dominant channelGreen

Hex per channelR F1 · G FF · B 55

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Harmonies

Lighter and darker

Similar named colours

Also reads as

F1FF55 (chemical formula)

Formula
1,082.886 g/mol
57 atoms

F1FF55 has a molar mass of 1,082.886 g/mol, made up of 57 atoms across 1 element: 57 × F.

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Molar mass

Molar mass1,082.886 g/mol

Total atoms per molecule57

Distinct elements1

Mass of one molecule1.7981745 × 10^-21 g

Molecules per gram5.5611955 × 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

F100%

Fluorine (F × 57)1,082.886 g/mol, 100%

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Elements in this formula

Fluorine

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