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Recognised as Colour

#37C6CF

  • #37C6CF
  • Cyan
  • Dark
  • Nearest: Dark turquoise

#37C6CF is a cyan with RGB values 55, 198, 207 and HSL 184°, 61%, 51%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#37C6CF#37C6CF
HEX#37C6CF
RGBrgb(55, 198, 207)
RGB (0–1)0.2157, 0.7765, 0.8118
RGB percentages21.6%, 77.6%, 81.2%
HSLhsl(183.6, 61.3%, 51.4%)
HSV / HSBhsv(183.6, 73.4%, 81.2%)
CMYK73.4%, 4.3%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,655,375
CSS custom property--colour: #37C6CF;

Brightness & contrast

Relative luminance0.45705WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.14:1
Contrast with white2.07:1WCAG normal text: Fail
Contrast with black10.14:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#C83930

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B7BDD0no red cones; affects about 1% of men; ΔE 35.8 from the original
Deuteranopia#A1ADD0no green cones; the most common form, about 1% of men; ΔE 37.3 from the original
Tritanopia#00CEC8no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.07:1WCAG large text: Fail
Contrast with black, large text10.14:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 6.9Medium turquoise · ΔE 8.6Light seagreen · ΔE 12.4Turquoise · ΔE 17.3Cadetblue · ΔE 20.1Sky blue · ΔE 20.6
Nearest named CSS colourDark turquoise (#00CED1)ΔE 6.94, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF4037
Analogous#37CF8C, #377ACF
Triadic#CF37C6, #C6CF37
Split complementary#CF377A, #CF8C37
Tetradic#8C37CF, #CF4037, #7ACF37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCF5F6
Lighter +30%#B2E9ED
Lighter +20%#89DDE3
Lighter +10%#60D2D9
Darker −10%#29A3AA
Darker −20%#1F7B81
Darker −30%#155458
Darker −40%#0B2D2F
More saturated +25%#18E1EE
Less saturated −25%#56ABB0

Channel breakdown

R55
G198
B207
Red55 (21.6%)
Green198 (77.6%)
Blue207 (81.2%)
Hue183.55°
Saturation (HSL)61.29%
Lightness51.37%
Dominant channelBlue
Hex per channelR 37 · G C6 · B CF

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Every value on this page was computed from “37c6cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.