Colour

#678D91

#678D91
Cyan
Dark
Nearest: Cadetblue

#678D91 is a cyan with RGB values 103, 141, 145 and HSL 186°, 17%, 49%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#678D91#678D91

HEX#678D91

RGBrgb(103, 141, 145)

RGB (0–1)0.4039, 0.5529, 0.5686

RGB percentages40.4%, 55.3%, 56.9%

HSLhsl(185.7, 16.9%, 48.6%)

HSV / HSBhsv(185.7, 29%, 56.9%)

CMYK29%, 2.8%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,786,449

CSS custom property--colour: #678D91;

Brightness & contrast

Relative luminance0.23978WCAG 2.x, 0 is black and 1 is white

Perceived brightness131.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.8:1

Contrast with white3.62:1WCAG normal text: Fail

Contrast with black5.8:1WCAG normal text: AA

Greyscale equivalent#858585

Inverted#98726E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#878A91no red cones; affects about 1% of men; ΔE 12.7 from the original

Deuteranopia#808491no green cones; the most common form, about 1% of men; ΔE 13.4 from the original

Tritanopia#59908Eno blue cones; rare, and affects men and women equally; ΔE 6.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.62:1WCAG large text: AA

Contrast with black, large text5.8:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 9.2 Light slate grey · ΔE 10.9 Slate grey · ΔE 11.3 Gray · ΔE 13.9 Dim grey · ΔE 18 Teal · ΔE 18.6

Nearest named CSS colourCadetblue (#5F9EA0)ΔE 9.18, clearly different but related

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#916B67

Analogous#679180, #677891

Triadic#91678D, #8D9167

Split complementary#916778, #918067

Tetradic#806791, #916B67, #789167

Tints, shades & saturation

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

Lighter +40%#DDE6E7

Lighter +30%#BFD0D2

Lighter +20%#A1BABD

Lighter +10%#84A4A7

Darker −10%#527073

Darker −20%#3D5355

Darker −30%#273638

Darker −40%#12191A

More saturated +25%#48A6B0

Less saturated −25%#7C7C7C

Channel breakdown

R103

G141

B145

Red103 (40.4%)

Green141 (55.3%)

Blue145 (56.9%)

Hue185.71°

Saturation (HSL)16.94%

Lightness48.63%

Dominant channelBlue

Hex per channelR 67 · G 8D · B 91

Keep nerding

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

#678D91

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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