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Recognised as Colour

#42FBCB

  • #42FBCB
  • Cyan
  • Light
  • Nearest: Aquamarine

#42FBCB is a cyan with RGB values 66, 251, 203 and HSL 164°, 96%, 62%. It is a light colour, so black text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#42FBCB#42FBCB
HEX#42FBCB
RGBrgb(66, 251, 203)
RGB (0–1)0.2588, 0.9843, 0.7961
RGB percentages25.9%, 98.4%, 79.6%
HSLhsl(164.4, 95.9%, 62.2%)
HSV / HSBhsv(164.4, 73.7%, 98.4%)
CMYK73.7%, 0%, 19.1%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,389,835
CSS custom property--colour: #42FBCB;

Brightness & contrast

Relative luminance0.74464WCAG 2.x, 0 is black and 1 is white
Perceived brightness207.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 15.89:1
Contrast with white1.32:1WCAG normal text: Fail
Contrast with black15.89:1WCAG normal text: AAA
Greyscale equivalent#D0D0D0
Inverted#BD0434

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#F4EAC9no red cones; affects about 1% of men; ΔE 55 from the original
Deuteranopia#DCD9CEno green cones; the most common form, about 1% of men; ΔE 55.7 from the original
Tritanopia#00FDEDno blue cones; rare, and affects men and women equally; ΔE 16.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.32:1WCAG large text: Fail
Contrast with black, large text15.89:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 11.2Turquoise · ΔE 20.2Medium aquamarine · ΔE 22.5Aqua · ΔE 25.6Cyan · ΔE 25.6Medium spring green · ΔE 26.7
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 11.21, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FB4272
Analogous#42FB6E, #42CFFB
Triadic#CB42FB, #FBCB42
Split complementary#FB42CF, #FB6E42
Tetradic#6E42FB, #FB4272, #CFFB42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D8FEF4
Lighter +20%#A6FDE6
Lighter +10%#74FCD9
Darker −10%#10FABD
Darker −20%#04D39D
Darker −30%#03A178
Darker −40%#026F53
More saturated +25%#3EFFCD
Less saturated −25%#5AE3BF

Channel breakdown

R66
G251
B203
Red66 (25.9%)
Green251 (98.4%)
Blue203 (79.6%)
Hue164.43°
Saturation (HSL)95.85%
Lightness62.16%
Dominant channelGreen
Hex per channelR 42 · G FB · B CB

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