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Recognised as Colour

#66979A

  • #66979A
  • Cyan
  • Dark
  • Nearest: Cadetblue

#66979A is a cyan with RGB values 102, 151, 154 and HSL 183°, 20%, 50%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#66979A#66979A
HEX#66979A
RGBrgb(102, 151, 154)
RGB (0–1)0.4, 0.5922, 0.6039
RGB percentages40%, 59.2%, 60.4%
HSLhsl(183.5, 20.5%, 50.2%)
HSV / HSBhsv(183.5, 33.8%, 60.4%)
CMYK33.8%, 1.9%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,723,482
CSS custom property--colour: #66979A;

Brightness & contrast

Relative luminance0.27291WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.46:1
Contrast with white3.25:1WCAG normal text: Fail
Contrast with black6.46:1WCAG normal text: AA
Greyscale equivalent#8D8D8D
Inverted#996865

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#90939Ano red cones; affects about 1% of men; ΔE 16.2 from the original
Deuteranopia#878C9Ano green cones; the most common form, about 1% of men; ΔE 16.8 from the original
Tritanopia#529A98no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.25:1WCAG large text: AA
Contrast with black, large text6.46:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 4.6Light slate grey · ΔE 14.4Slate grey · ΔE 15.3Dark cyan · ΔE 16.7Teal · ΔE 17.3Gray · ΔE 17.9
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 4.56, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A6966
Analogous#669A83, #667D9A
Triadic#9A6697, #979A66
Split complementary#9A667D, #9A8366
Tetradic#83669A, #9A6966, #7D9A66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1EBEB
Lighter +30%#C2D6D7
Lighter +20%#A3C1C3
Lighter +10%#85ACAE
Darker −10%#52797B
Darker −20%#3D5B5D
Darker −30%#293D3E
Darker −40%#151F1F
More saturated +25%#46B3BA
Less saturated −25%#808080

Channel breakdown

R102
G151
B154
Red102 (40%)
Green151 (59.2%)
Blue154 (60.4%)
Hue183.46°
Saturation (HSL)20.47%
Lightness50.2%
Dominant channelBlue
Hex per channelR 66 · G 97 · B 9A

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Every value on this page was computed from “66979a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.