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Recognised as Colour

#42E7E2

  • #42E7E2
  • Cyan
  • Light
  • Nearest: Turquoise

#42E7E2 is a cyan with RGB values 66, 231, 226 and HSL 178°, 77%, 58%. It is a light colour, so black text on it reaches 13.8:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#42E7E2#42E7E2
HEX#42E7E2
RGBrgb(66, 231, 226)
RGB (0–1)0.2588, 0.9059, 0.8863
RGB percentages25.9%, 90.6%, 88.6%
HSLhsl(178.2, 77.5%, 58.2%)
HSV / HSBhsv(178.2, 71.4%, 90.6%)
CMYK71.4%, 0%, 2.2%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,384,738
CSS custom property--colour: #42E7E2;

Brightness & contrast

Relative luminance0.63801WCAG 2.x, 0 is black and 1 is white
Perceived brightness196.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.76:1
Contrast with white1.53:1WCAG normal text: Fail
Contrast with black13.76:1WCAG normal text: AAA
Greyscale equivalent#C4C4C4
Inverted#BD181D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#D9DBE2no red cones; affects about 1% of men; ΔE 43.2 from the original
Deuteranopia#C1CAE3no green cones; the most common form, about 1% of men; ΔE 44.2 from the original
Tritanopia#00EEE5no blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.53:1WCAG large text: Fail
Contrast with black, large text13.76:1WCAG large text: AAA

Named colours

Turquoise · ΔE 6.6Medium turquoise · ΔE 8.5Dark turquoise · ΔE 9.6Aqua · ΔE 10.4Cyan · ΔE 10.4Light seagreen · ΔE 18.9
Nearest named CSS colourTurquoise (#40E0D0)ΔE 6.58, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E74247
Analogous#42E790, #4299E7
Triadic#E242E7, #E7E242
Split complementary#E74299, #E79042
Tetradic#9042E7, #E74247, #9AE742

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FEFE
Lighter +30%#CAF8F7
Lighter +20%#9DF2F0
Lighter +10%#6FEDE9
Darker −10%#1CDAD5
Darker −20%#16ADA8
Darker −30%#10807C
Darker −40%#0A5350
More saturated +25%#2AFFF9
Less saturated −25%#5DCCC9

Channel breakdown

R66
G231
B226
Red66 (25.9%)
Green231 (90.6%)
Blue226 (88.6%)
Hue178.18°
Saturation (HSL)77.46%
Lightness58.24%
Dominant channelGreen
Hex per channelR 42 · G E7 · B E2

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Every value on this page was computed from “42e7e2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.