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Recognised as Colour

#66E2C0

  • #66E2C0
  • Cyan
  • Light
  • Nearest: Medium aquamarine

#66E2C0 is a cyan with RGB values 102, 226, 192 and HSL 164°, 68%, 64%. It is a light colour, so black text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#66E2C0#66E2C0
HEX#66E2C0
RGBrgb(102, 226, 192)
RGB (0–1)0.4, 0.8863, 0.7529
RGB percentages40%, 88.6%, 75.3%
HSLhsl(163.5, 68.1%, 64.3%)
HSV / HSBhsv(163.5, 54.9%, 88.6%)
CMYK54.9%, 0%, 15%, 11.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,742,720
CSS custom property--colour: #66E2C0;

Brightness & contrast

Relative luminance0.61023WCAG 2.x, 0 is black and 1 is white
Perceived brightness193.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.2:1
Contrast with white1.59:1WCAG normal text: Fail
Contrast with black13.2:1WCAG normal text: AAA
Greyscale equivalent#C5C5C5
Inverted#991D3F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DCD5BEno red cones; affects about 1% of men; ΔE 41.8 from the original
Deuteranopia#C9C7C2no green cones; the most common form, about 1% of men; ΔE 42.7 from the original
Tritanopia#20E4D8no blue cones; rare, and affects men and women equally; ΔE 13.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.59:1WCAG large text: Fail
Contrast with black, large text13.2:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 8.3Turquoise · ΔE 10.4Aquamarine · ΔE 10.6Medium turquoise · ΔE 16.5Dark turquoise · ΔE 21.1Light seagreen · ΔE 21.4
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 8.26, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E26688
Analogous#66E282, #66C6E2
Triadic#C066E2, #E2C066
Split complementary#E266C6, #E28266
Tetradic#8266E2, #E26688, #C6E266

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E7FAF5
Lighter +20%#BCF2E3
Lighter +10%#91EAD2
Darker −10%#3BDAAE
Darker −20%#24BE94
Darker −30%#1C9372
Darker −40%#146851
More saturated +25%#4FF9CA
Less saturated −25%#7DCBB6

Channel breakdown

R102
G226
B192
Red102 (40%)
Green226 (88.6%)
Blue192 (75.3%)
Hue163.55°
Saturation (HSL)68.13%
Lightness64.31%
Dominant channelGreen
Hex per channelR 66 · G E2 · B C0

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Every value on this page was computed from “66e2c0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.