Nerdulator> put something in

Recognised as Colour

#64EFCF

  • #64EFCF
  • Cyan
  • Light
  • Nearest: Aquamarine

#64EFCF is a cyan with RGB values 100, 239, 207 and HSL 166°, 81%, 66%. It is a light colour, so black text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Aquamarine.

Colour values

#64EFCF#64EFCF
HEX#64EFCF
RGBrgb(100, 239, 207)
RGB (0–1)0.3922, 0.9373, 0.8118
RGB percentages39.2%, 93.7%, 81.2%
HSLhsl(166.2, 81.3%, 66.5%)
HSV / HSBhsv(166.2, 58.2%, 93.7%)
CMYK58.2%, 0%, 13.4%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,614,991
CSS custom property--colour: #64EFCF;

Brightness & contrast

Relative luminance0.68947WCAG 2.x, 0 is black and 1 is white
Perceived brightness203.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.79:1
Contrast with white1.42:1WCAG normal text: Fail
Contrast with black14.79:1WCAG normal text: AAA
Greyscale equivalent#CFCFCF
Inverted#9B1030

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#E7E1CEno red cones; affects about 1% of men; ΔE 44.6 from the original
Deuteranopia#D2D2D1no green cones; the most common form, about 1% of men; ΔE 45.3 from the original
Tritanopia#00F2E5no blue cones; rare, and affects men and women equally; ΔE 12.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.42:1WCAG large text: Fail
Contrast with black, large text14.79:1WCAG large text: AAA

Named colours

Aquamarine · ΔE 7.8Turquoise · ΔE 9.8Medium aquamarine · ΔE 13.5Medium turquoise · ΔE 17.7Aqua · ΔE 19.1Cyan · ΔE 19.1
Nearest named CSS colourAquamarine (#7FFFD4)ΔE 7.83, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EF6484
Analogous#64EF89, #64CAEF
Triadic#CF64EF, #EFCF64
Split complementary#EF64CA, #EF8964
Tetradic#8964EF, #EF6484, #CAEF64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFFDFA
Lighter +20%#C0F9EC
Lighter +10%#92F4DD
Darker −10%#36EAC1
Darker −20%#16D7AA
Darker −30%#11A986
Darker −40%#0D7A61
More saturated +25%#54FFD8
Less saturated −25%#79DAC3

Channel breakdown

R100
G239
B207
Red100 (39.2%)
Green239 (93.7%)
Blue207 (81.2%)
Hue166.19°
Saturation (HSL)81.29%
Lightness66.47%
Dominant channelGreen
Hex per channelR 64 · G EF · B CF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “64efcf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.