Colour

#1C1804

#1C1804
Yellow
Dark
Nearest: Black

#1C1804 is a yellow with RGB values 28, 24, 4 and HSL 50°, 75%, 6%. 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

#1C1804#1C1804

HEX#1C1804

RGBrgb(28, 24, 4)

RGB (0–1)0.1098, 0.0941, 0.0157

RGB percentages11%, 9.4%, 1.6%

HSLhsl(50, 75%, 6.3%)

HSV / HSBhsv(50, 85.7%, 11%)

CMYK0%, 14.3%, 85.7%, 89%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,841,156

CSS custom property--colour: #1C1804;

Brightness & contrast

Relative luminance0.00909WCAG 2.x, 0 is black and 1 is white

Perceived brightness24 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.77:1

Contrast with white17.77:1WCAG normal text: AAA

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

Greyscale equivalent#171717

Inverted#E3E7FB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B1703no red cones; affects about 1% of men; ΔE 0.6 from the original

Deuteranopia#1C1905no green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#1F1613no blue cones; rare, and affects men and women equally; ΔE 8.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.77:1WCAG large text: AAA

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

Named colours

Black · ΔE 13.5 Dark slate grey · ΔE 29 Dim grey · ΔE 37.8 Dark olivegreen · ΔE 43.1 Gray · ΔE 46.6 Slate grey · ΔE 49.4

Nearest named CSS colourBlack (#000000)ΔE 13.51, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04081C

Analogous#1C0C04, #141C04

Triadic#041C18, #18041C

Split complementary#04141C, #0C041C

Tetradic#041C0C, #04081C, #1C0414

Tints, shades & saturation

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

Lighter +40%#CFB11D

Lighter +30%#A28B17

Lighter +20%#756511

Lighter +10%#493E0A

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#201B00

Less saturated −25%#181508

Channel breakdown

R28

G24

Red28 (11%)

Green24 (9.4%)

Blue4 (1.6%)

Hue50°

Saturation (HSL)75%

Lightness6.27%

Dominant channelRed

Hex per channelR 1C · G 18 · B 04

Keep nerding

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#1C1804

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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