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Recognised as Colour

#648D7A

  • #648D7A
  • Cyan
  • Dark
  • Nearest: Cadetblue

#648D7A is a cyan with RGB values 100, 141, 122 and HSL 152°, 17%, 47%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#648D7A#648D7A
HEX#648D7A
RGBrgb(100, 141, 122)
RGB (0–1)0.3922, 0.5529, 0.4784
RGB percentages39.2%, 55.3%, 47.8%
HSLhsl(152.2, 17%, 47.3%)
HSV / HSBhsv(152.2, 29.1%, 55.3%)
CMYK29.1%, 0%, 13.5%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,589,818
CSS custom property--colour: #648D7A;

Brightness & contrast

Relative luminance0.23164WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.63:1
Contrast with white3.73:1WCAG normal text: Fail
Contrast with black5.63:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#9B7285

Colour vision & accessibility

Protanopia#8B8779no red cones; affects about 1% of men; ΔE 17.5 from the original
Deuteranopia#84827Bno green cones; the most common form, about 1% of men; ΔE 17.9 from the original
Tritanopia#5B8D87no blue cones; rare, and affects men and women equally; ΔE 7.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.73:1WCAG large text: AA
Contrast with black, large text5.63:1WCAG large text: AAA

Named colours

Nearest named CSS colourCadetblue (#5F9EA0)ΔE 14.38, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#8D6477
Analogous#648D65, #648B8D
Triadic#7A648D, #8D7A64
Split complementary#8D648B, #8D6564
Tetradic#66648D, #8D6477, #8B8D64

Tints, shades & saturation

Lighter +40%#D9E4DF
Lighter +30%#BBCFC6
Lighter +20%#9DBAAD
Lighter +10%#7FA593
Darker −10%#4F6F60
Darker −20%#3A5146
Darker −30%#25332D
Darker −40%#0F1613
More saturated +25%#46AB7C
Less saturated −25%#787878

Channel breakdown

R100
G141
B122
Red100 (39.2%)
Green141 (55.3%)
Blue122 (47.8%)
Hue152.2°
Saturation (HSL)17.01%
Lightness47.25%
Dominant channelGreen
Hex per channelR 64 · G 8D · B 7A

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Every value on this page was computed from “648d7a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.