Colour

#C90500

#C90500
Red
Dark
Nearest: Orange red

#C90500 is a red with RGB values 201, 5, 0 and HSL 1°, 100%, 39%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#C90500#C90500

HEX#C90500

RGBrgb(201, 5, 0)

RGB (0–1)0.7882, 0.0196, 0

RGB percentages78.8%, 2%, 0%

HSLhsl(1.5, 100%, 39.4%)

HSV / HSBhsv(1.5, 100%, 78.8%)

CMYK0%, 97.5%, 100%, 21.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,174,016

CSS custom property--colour: #C90500;

Brightness & contrast

Relative luminance0.12526WCAG 2.x, 0 is black and 1 is white

Perceived brightness110 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.99:1

Contrast with white5.99:1WCAG normal text: AA

Contrast with black3.51:1WCAG normal text: Fail

Greyscale equivalent#2E2E2E

Inverted#36FAFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#554A00no red cones; affects about 1% of men; ΔE 72.3 from the original

Deuteranopia#807100no green cones; the most common form, about 1% of men; ΔE 71.4 from the original

Tritanopia#DE000Cno blue cones; rare, and affects men and women equally; ΔE 7.3 from the original

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

Contrast with white, large text5.99:1WCAG large text: AAA

Contrast with black, large text3.51:1WCAG large text: AA

Named colours

Orange red · ΔE 20.1 Red · ΔE 20.8 Firebrick · ΔE 21.6 Crimson · ΔE 23.6 Tomato · ΔE 24 Dark red · ΔE 25.6

Nearest named CSS colourOrange red (#FF4500)ΔE 20.12, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00C4C9

Analogous#C90060, #C96900

Triadic#00C905, #0500C9

Split complementary#00C96A, #005FC9

Tetradic#60C900, #00C4C9, #6A00C9

Tints, shades & saturation

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

Lighter +40%#FF9996

Lighter +30%#FF6763

Lighter +20%#FF3530

Lighter +10%#FC0600

Darker −10%#960400

Darker −20%#630200

Darker −30%#300100

Darker −40%#000000

More saturated +25%#C90500

Less saturated −25%#B01D19

Channel breakdown

R201

Red201 (78.8%)

Green5 (2%)

Blue0 (0%)

Hue1.49°

Saturation (HSL)100%

Lightness39.41%

Dominant channelRed

Hex per channelR C9 · G 05 · B 00

Keep nerding

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

#C90500

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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