Colour

#66897A

#66897A
Cyan
Dark
Nearest: Cadetblue

#66897A is a cyan with RGB values 102, 137, 122 and HSL 154°, 15%, 47%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#66897A#66897A

HEX#66897A

RGBrgb(102, 137, 122)

RGB (0–1)0.4, 0.5373, 0.4784

RGB percentages40%, 53.7%, 47.8%

HSLhsl(154.3, 14.6%, 46.9%)

HSV / HSBhsv(154.3, 25.5%, 53.7%)

CMYK25.5%, 0%, 10.9%, 46.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,719,866

CSS custom property--colour: #66897A;

Brightness & contrast

Relative luminance0.22121WCAG 2.x, 0 is black and 1 is white

Perceived brightness125.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.42:1

Contrast with white3.87:1WCAG normal text: Fail

Contrast with black5.42:1WCAG normal text: AA

Greyscale equivalent#808080

Inverted#997685

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#878479no red cones; affects about 1% of men; ΔE 14.9 from the original

Deuteranopia#81807Bno green cones; the most common form, about 1% of men; ΔE 15.1 from the original

Tritanopia#5E8985no 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 text3.87:1WCAG large text: AA

Contrast with black, large text5.42:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 14.1 Gray · ΔE 16.1 Dim grey · ΔE 18.8 Teal · ΔE 19.2 Slate grey · ΔE 19.9 Dark cyan · ΔE 20

Nearest named CSS colourCadetblue (#5F9EA0)ΔE 14.06, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#896675

Analogous#668969, #668689

Triadic#7A6689, #897A66

Split complementary#896686, #896966

Tetradic#696689, #896675, #868966

Tints, shades & saturation

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

Lighter +40%#D9E2DE

Lighter +30%#BBCDC5

Lighter +20%#9EB7AC

Lighter +10%#81A193

Darker −10%#506C60

Darker −20%#3A4F46

Darker −30%#25312C

Darker −40%#0F1412

More saturated +25%#48A77E

Less saturated −25%#777777

Channel breakdown

R102

G137

B122

Red102 (40%)

Green137 (53.7%)

Blue122 (47.8%)

Hue154.29°

Saturation (HSL)14.64%

Lightness46.86%

Dominant channelGreen

Hex per channelR 66 · G 89 · B 7A

Keep nerding

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

#66897A

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

Nerdulate something else