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Recognised as Colour

#37EDF7

  • #37EDF7
  • Cyan
  • Light
  • Nearest: Aqua

#37EDF7 is a cyan with RGB values 55, 237, 247 and HSL 183°, 92%, 59%. It is a light colour, so black text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Aqua.

Colour values

#37EDF7#37EDF7
HEX#37EDF7
RGBrgb(55, 237, 247)
RGB (0–1)0.2157, 0.9294, 0.9686
RGB percentages21.6%, 92.9%, 96.9%
HSLhsl(183.1, 92.3%, 59.2%)
HSV / HSBhsv(183.1, 77.7%, 96.9%)
CMYK77.7%, 4%, 0%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,665,399
CSS custom property--colour: #37EDF7;

Brightness & contrast

Relative luminance0.68096WCAG 2.x, 0 is black and 1 is white
Perceived brightness202.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 14.62:1
Contrast with white1.44:1WCAG normal text: Fail
Contrast with black14.62:1WCAG normal text: AAA
Greyscale equivalent#C7C7C7
Inverted#C81208

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#DBE2F8no red cones; affects about 1% of men; ΔE 42.4 from the original
Deuteranopia#C1CFF8no green cones; the most common form, about 1% of men; ΔE 44 from the original
Tritanopia#00F6F0no blue cones; rare, and affects men and women equally; ΔE 11 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.44:1WCAG large text: Fail
Contrast with black, large text14.62:1WCAG large text: AAA

Named colours

Aqua · ΔE 10.2Cyan · ΔE 10.2Dark turquoise · ΔE 11.5Medium turquoise · ΔE 13.2Turquoise · ΔE 14.9Light seagreen · ΔE 23.3
Nearest named CSS colourAqua (#00FFFF)ΔE 10.17, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F74137
Analogous#37F7A1, #378DF7
Triadic#F737ED, #EDF737
Split complementary#F7378D, #F7A137
Tetradic#A137F7, #F74137, #8DF737

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFFFF
Lighter +30%#CAFAFD
Lighter +20%#99F6FB
Lighter +10%#68F1F9
Darker −10%#0AE5F1
Darker −20%#08B7C0
Darker −30%#06888F
Darker −40%#045A5E
More saturated +25%#2FF4FF
Less saturated −25%#51D6DD

Channel breakdown

R55
G237
B247
Red55 (21.6%)
Green237 (92.9%)
Blue247 (96.9%)
Hue183.12°
Saturation (HSL)92.31%
Lightness59.22%
Dominant channelBlue
Hex per channelR 37 · G ED · B F7

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Every value on this page was computed from “37edf7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.