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Recognised as Colour

#6C9997

  • #6C9997
  • Cyan
  • Dark
  • Nearest: Cadetblue

#6C9997 is a cyan with RGB values 108, 153, 151 and HSL 177°, 18%, 51%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#6C9997#6C9997
HEX#6C9997
RGBrgb(108, 153, 151)
RGB (0–1)0.4235, 0.6, 0.5922
RGB percentages42.4%, 60%, 59.2%
HSLhsl(177.3, 18.1%, 51.2%)
HSV / HSBhsv(177.3, 29.4%, 60%)
CMYK29.4%, 0%, 1.3%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,117,207
CSS custom property--colour: #6C9997;

Brightness & contrast

Relative luminance0.28205WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.64:1
Contrast with white3.16:1WCAG normal text: Fail
Contrast with black6.64:1WCAG normal text: AA
Greyscale equivalent#8F8F8F
Inverted#936668

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#949597no red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#8B8E98no green cones; the most common form, about 1% of men; ΔE 16.7 from the original
Tritanopia#5D9C98no blue cones; rare, and affects men and women equally; ΔE 5.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.16:1WCAG large text: AA
Contrast with black, large text6.64:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 5.5Light slate grey · ΔE 15.8Slate grey · ΔE 16.7Gray · ΔE 17.3Dark cyan · ΔE 17.7Teal · ΔE 18.3
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 5.53, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#996C6E
Analogous#6C9981, #6C8499
Triadic#976C99, #99976C
Split complementary#996C84, #99816C
Tetradic#816C99, #996C6E, #84996C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4EDEC
Lighter +30%#C6D8D7
Lighter +20%#A8C3C2
Lighter +10%#8AAEAC
Darker −10%#567C7A
Darker −20%#415E5D
Darker −30%#2C403F
Darker −40%#172221
More saturated +25%#4DB8B3
Less saturated −25%#838383

Channel breakdown

R108
G153
B151
Red108 (42.4%)
Green153 (60%)
Blue151 (59.2%)
Hue177.33°
Saturation (HSL)18.07%
Lightness51.18%
Dominant channelGreen
Hex per channelR 6C · G 99 · B 97

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Every value on this page was computed from “6c9997” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.