Colour

#1C1703

#1C1703
Yellow
Dark
Nearest: Black

#1C1703 is a yellow with RGB values 28, 23, 3 and HSL 48°, 81%, 6%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1C1703#1C1703

HEX#1C1703

RGBrgb(28, 23, 3)

RGB (0–1)0.1098, 0.0902, 0.0118

RGB percentages11%, 9%, 1.2%

HSLhsl(48, 80.6%, 6.1%)

HSV / HSBhsv(48, 89.3%, 11%)

CMYK0%, 17.9%, 89.3%, 89%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,840,899

CSS custom property--colour: #1C1703;

Brightness & contrast

Relative luminance0.00866WCAG 2.x, 0 is black and 1 is white

Perceived brightness23.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.9:1

Contrast with white17.9:1WCAG normal text: AAA

Contrast with black1.17:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#E3E8FC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A1602no red cones; affects about 1% of men; ΔE 1 from the original

Deuteranopia#1C1804no green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#1F1412no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.9:1WCAG large text: AAA

Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Black · ΔE 13.1 Dark slate grey · ΔE 29.5 Dim grey · ΔE 38.1 Dark olivegreen · ΔE 43.7 Gray · ΔE 47 Slate grey · ΔE 49.7

Nearest named CSS colourBlack (#000000)ΔE 13.1, a distinctly different colour

Hue familyyellow

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#03081C

Analogous#1C0B03, #141C03

Triadic#031C17, #17031C

Split complementary#03151C, #0A031C

Tetradic#031C0A, #03081C, #1C0315

Tints, shades & saturation

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

Lighter +40%#D4AE17

Lighter +30%#A68912

Lighter +20%#78630D

Lighter +10%#4A3D08

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F1900

Less saturated −25%#181507

Channel breakdown

R28

G23

Red28 (11%)

Green23 (9%)

Blue3 (1.2%)

Hue48°

Saturation (HSL)80.65%

Lightness6.08%

Dominant channelRed

Hex per channelR 1C · G 17 · B 03

Keep nerding

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#1C1703

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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