Colour

#99150B

#99150B
Red
Dark
Nearest: Dark red

#99150B is a red with RGB values 153, 21, 11 and HSL 4°, 87%, 32%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#99150B#99150B

HEX#99150B

RGBrgb(153, 21, 11)

RGB (0–1)0.6, 0.0824, 0.0431

RGB percentages60%, 8.2%, 4.3%

HSLhsl(4.2, 86.6%, 32.2%)

HSV / HSBhsv(4.2, 92.8%, 60%)

CMYK0%, 86.3%, 92.8%, 40%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,032,395

CSS custom property--colour: #99150B;

Brightness & contrast

Relative luminance0.07333WCAG 2.x, 0 is black and 1 is white

Perceived brightness85.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.51:1

Contrast with white8.51:1WCAG normal text: AAA

Contrast with black2.47:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#66EAF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#433A06no red cones; affects about 1% of men; ΔE 55.4 from the original

Deuteranopia#625700no green cones; the most common form, about 1% of men; ΔE 55.9 from the original

Tritanopia#A90015no blue cones; rare, and affects men and women equally; ΔE 8.3 from the original

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

Contrast with white, large text8.51:1WCAG large text: AAA

Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Dark red · ΔE 4.5 Maroon · ΔE 8.5 Firebrick · ΔE 8.9 Brown · ΔE 12.2 Saddle brown · ΔE 25.4 Sienna · ΔE 25.4

Nearest named CSS colourDark red (#8B0000)ΔE 4.49, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B8F99

Analogous#990B48, #995C0B

Triadic#0B9915, #150B99

Split complementary#0B995C, #0B4899

Tetradic#48990B, #0B8F99, #5C0B99

Tints, shades & saturation

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

Lighter +40%#F5837B

Lighter +30%#F2574B

Lighter +20%#EF2A1B

Lighter +10%#C91C0E

Darker −10%#690E08

Darker −20%#3A0804

Darker −30%#0A0101

Darker −40%#000000

More saturated +25%#A40C00

Less saturated −25%#84271F

Channel breakdown

R153

G21

B11

Red153 (60%)

Green21 (8.2%)

Blue11 (4.3%)

Hue4.23°

Saturation (HSL)86.59%

Lightness32.16%

Dominant channelRed

Hex per channelR 99 · G 15 · B 0B

Keep nerding

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#99150B

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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