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Recognised as Colour

#42CCAA

  • #42CCAA
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#42CCAA is a cyan with RGB values 66, 204, 170 and HSL 165°, 58%, 53%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#42CCAA#42CCAA
HEX#42CCAA
RGBrgb(66, 204, 170)
RGB (0–1)0.2588, 0.8, 0.6667
RGB percentages25.9%, 80%, 66.7%
HSLhsl(165.2, 57.5%, 52.9%)
HSV / HSBhsv(165.2, 67.6%, 80%)
CMYK67.6%, 0%, 16.7%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,377,770
CSS custom property--colour: #42CCAA;

Brightness & contrast

Relative luminance0.47246WCAG 2.x, 0 is black and 1 is white
Perceived brightness170.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.45:1
Contrast with white2.01:1WCAG normal text: Fail
Contrast with black10.45:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#BD3355

Colour vision & accessibility

Protanopia#C6BFA8no red cones; affects about 1% of men; ΔE 44 from the original
Deuteranopia#B3B1ACno green cones; the most common form, about 1% of men; ΔE 44.9 from the original
Tritanopia#00CEC2no blue cones; rare, and affects men and women equally; ΔE 12.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.01:1WCAG large text: Fail
Contrast with black, large text10.45:1WCAG large text: AAA

Named colours

Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 7.02, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#CC4264
Analogous#42CC65, #42A9CC
Triadic#AA42CC, #CCAA42
Split complementary#CC42A9, #CC6542
Tetradic#6542CC, #CC4264, #A9CC42

Tints, shades & saturation

Lighter +40%#E3F7F2
Lighter +30%#BAEDE0
Lighter +20%#92E2CE
Lighter +10%#6AD7BC
Darker −10%#2FAC8D
Darker −20%#24846C
Darker −30%#195C4C
Darker −40%#0E342B
More saturated +25%#24EAB9
Less saturated −25%#60AE9B

Channel breakdown

R66
G204
B170
Red66 (25.9%)
Green204 (80%)
Blue170 (66.7%)
Hue165.22°
Saturation (HSL)57.5%
Lightness52.94%
Dominant channelGreen
Hex per channelR 42 · G CC · B AA

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Every value on this page was computed from “42ccaa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.