Recognised as Colour

#557A71

#557A71
Cyan
Dark
Nearest: Dim grey

#557A71 is a cyan with RGB values 85, 122, 113 and HSL 165°, 18%, 41%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Dim grey.

Colour values

#557A71#557A71

HEX#557A71

RGBrgb(85, 122, 113)

RGB (0–1)0.3333, 0.4784, 0.4431

RGB percentages33.3%, 47.8%, 44.3%

HSLhsl(165.4, 17.9%, 40.6%)

HSV / HSBhsv(165.4, 30.3%, 47.8%)

CMYK30.3%, 0%, 7.4%, 52.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,601,905

CSS custom property--colour: #557A71;

Brightness & contrast

Relative luminance0.17043WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.76:1

Contrast with white4.76:1WCAG normal text: AA

Contrast with black4.41:1WCAG normal text: Fail

Greyscale equivalent#717171

Inverted#AA858E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#777671no red cones; affects about 1% of men; ΔE 14.8 from the original

Deuteranopia#707172no green cones; the most common form, about 1% of men; ΔE 15.1 from the original

Tritanopia#4B7B77no blue cones; rare, and affects men and women equally; ΔE 4.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.76:1WCAG large text: AAA

Contrast with black, large text4.41:1WCAG large text: AA

Named colours

Dim grey · ΔE 15.7 Cadetblue · ΔE 15.9 Gray · ΔE 16.1 Teal · ΔE 16.5 Slate grey · ΔE 17.8 Dark slate grey · ΔE 18

Nearest named CSS colourDim grey (#696969)ΔE 15.66, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7A555E

Analogous#557A5F, #55717A

Triadic#71557A, #7A7155

Split complementary#7A5571, #7A5F55

Tetradic#5F557A, #7A555E, #717A55

Tints, shades & saturation

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

Lighter +40%#C5D6D2

Lighter +30%#A7C1BB

Lighter +20%#89ACA4

Lighter +10%#6A988D

Darker −10%#405C55

Darker −20%#2B3E39

Darker −30%#16201D

Darker −40%#010202

More saturated +25%#3B947E

Less saturated −25%#686868

Channel breakdown

R85

G122

B113

Red85 (33.3%)

Green122 (47.8%)

Blue113 (44.3%)

Hue165.41°

Saturation (HSL)17.87%

Lightness40.59%

Dominant channelGreen

Hex per channelR 55 · G 7A · B 71

Keep nerding

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

#557A71

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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