Colour

#1A1900

#1A1900
Yellow
Dark
Nearest: Black

#1A1900 is a yellow with RGB values 26, 25, 0 and HSL 58°, 100%, 5%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1A1900#1A1900

HEX#1A1900

RGBrgb(26, 25, 0)

RGB (0–1)0.102, 0.098, 0

RGB percentages10.2%, 9.8%, 0%

HSLhsl(57.7, 100%, 5.1%)

HSV / HSBhsv(57.7, 100%, 10.2%)

CMYK0%, 3.8%, 100%, 89.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,710,336

CSS custom property--colour: #1A1900;

Brightness & contrast

Relative luminance0.00915WCAG 2.x, 0 is black and 1 is white

Perceived brightness23.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.75:1

Contrast with white17.75:1WCAG normal text: AAA

Contrast with black1.18:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#E5E6FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1C1700no red cones; affects about 1% of men; ΔE 2.7 from the original

Deuteranopia#1D1901no green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#1D1614no blue cones; rare, and affects men and women equally; ΔE 12 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.75:1WCAG large text: AAA

Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Black · ΔE 15.3 Dark slate grey · ΔE 29.1 Dim grey · ΔE 38.4 Dark olivegreen · ΔE 41.4 Gray · ΔE 47.1 Slate grey · ΔE 50.1

Nearest named CSS colourBlack (#000000)ΔE 15.33, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00011A

Analogous#1A0C00, #0E1A00

Triadic#001A19, #19001A

Split complementary#000E1A, #0C001A

Tetradic#001A0C, #00011A, #1A000E

Tints, shades & saturation

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

Lighter +40%#E6DD00

Lighter +30%#B3AC00

Lighter +20%#807B00

Lighter +10%#4D4A00

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1A1900

Less saturated −25%#171603

Channel breakdown

R26

G25

Red26 (10.2%)

Green25 (9.8%)

Blue0 (0%)

Hue57.69°

Saturation (HSL)100%

Lightness5.1%

Dominant channelRed

Hex per channelR 1A · G 19 · B 00

Keep nerding

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#1A1900

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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