Recognised as Colour

#FF6306

#FF6306
Orange
Dark
Nearest: Orange red

#FF6306 is a orange with RGB values 255, 99, 6 and HSL 22°, 100%, 51%. It is a dark colour, so black text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Orange red.

Colour values

#FF6306#FF6306

HEX#FF6306

RGBrgb(255, 99, 6)

RGB (0–1)1, 0.3882, 0.0235

RGB percentages100%, 38.8%, 2.4%

HSLhsl(22.4, 100%, 51.2%)

HSV / HSBhsv(22.4, 97.6%, 100%)

CMYK0%, 61.2%, 97.6%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,737,030

CSS custom property--colour: #FF6306;

Brightness & contrast

Relative luminance0.30197WCAG 2.x, 0 is black and 1 is white

Perceived brightness158.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.04:1

Contrast with white2.98:1WCAG normal text: Fail

Contrast with black7.04:1WCAG normal text: AAA

Greyscale equivalent#7D7D7D

Inverted#009CF9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#917F00no red cones; affects about 1% of men; ΔE 62.5 from the original

Deuteranopia#B7A300no green cones; the most common form, about 1% of men; ΔE 63 from the original

Tritanopia#FF3755no blue cones; rare, and affects men and women equally; ΔE 42.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.98:1WCAG large text: Fail

Contrast with black, large text7.04:1WCAG large text: AAA

Named colours

Orange red · ΔE 12.2 Dark orange · ΔE 21.7 Tomato · ΔE 23.7 Chocolate · ΔE 24.2 Red · ΔE 25.4 Coral · ΔE 25.7

Nearest named CSS colourOrange red (#FF4500)ΔE 12.24, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#06A2FF

Analogous#FF0625, #FFE006

Triadic#06FF63, #6306FF

Split complementary#06FFDF, #0626FF

Tetradic#25FF06, #06A2FF, #DF06FF

Tints, shades & saturation

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

Lighter +40%#FFE3D2

Lighter +30%#FFC39F

Lighter +20%#FFA36C

Lighter +10%#FF8339

Darker −10%#D24E00

Darker −20%#9F3B00

Darker −30%#6C2800

Darker −40%#391500

More saturated +25%#FF6306

Less saturated −25%#E06B25

Channel breakdown

R255

G99

Red255 (100%)

Green99 (38.8%)

Blue6 (2.4%)

Hue22.41°

Saturation (HSL)100%

Lightness51.18%

Dominant channelRed

Hex per channelR FF · G 63 · B 06

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Harmonies

Lighter and darker

Similar named colours

Also reads as

FF6306 (chemical formula)

Formula
119,820.386 g/mol
6307 atoms

FF6306 has a molar mass of 119,820.386 g/mol, made up of 6307 atoms across 1 element: 6307 × F.

Open this reading on its own page →

Molar mass

Molar mass119,820.386 g/mol

Total atoms per molecule6307

Distinct elements1

Mass of one molecule1.9896643 × 10^-19 g

Molecules per gram5.0259734 × 10^18

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 × 6307)119,820.386 g/mol, 100%

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Elements in this formula

Fluorine

Nerdulate something else

Nothing in mind? Surprise me · today’s page