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Recognised as Colour

#37CBB7

  • #37CBB7
  • Cyan
  • Dark
  • Nearest: Turquoise

#37CBB7 is a cyan with RGB values 55, 203, 183 and HSL 172°, 59%, 51%. It is a dark colour, so black text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#37CBB7#37CBB7
HEX#37CBB7
RGBrgb(55, 203, 183)
RGB (0–1)0.2157, 0.7961, 0.7176
RGB percentages21.6%, 79.6%, 71.8%
HSLhsl(171.9, 58.7%, 50.6%)
HSV / HSBhsv(171.9, 72.9%, 79.6%)
CMYK72.9%, 0%, 9.9%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,656,631
CSS custom property--colour: #37CBB7;

Brightness & contrast

Relative luminance0.46943WCAG 2.x, 0 is black and 1 is white
Perceived brightness170 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.39:1
Contrast with white2.02:1WCAG normal text: Fail
Contrast with black10.39:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#C83448

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2BFB6no red cones; affects about 1% of men; ΔE 42.6 from the original
Deuteranopia#ADB0B9no green cones; the most common form, about 1% of men; ΔE 43.6 from the original
Tritanopia#00CFC5no blue cones; rare, and affects men and women equally; ΔE 6.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.02:1WCAG large text: Fail
Contrast with black, large text10.39:1WCAG large text: AAA

Named colours

Turquoise · ΔE 7.8Medium turquoise · ΔE 9.4Medium aquamarine · ΔE 10.5Light seagreen · ΔE 11.1Dark turquoise · ΔE 12.7Aquamarine · ΔE 21.1
Nearest named CSS colourTurquoise (#40E0D0)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#CB374B
Analogous#37CB6D, #3795CB
Triadic#B737CB, #CBB737
Split complementary#CB3795, #CB6D37
Tetradic#6D37CB, #CB374B, #95CB37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9F5F1
Lighter +30%#B0EBE3
Lighter +20%#88E0D4
Lighter +10%#5FD6C6
Darker −10%#2BA494
Darker −20%#207C6F
Darker −30%#16534B
Darker −40%#0B2B27
More saturated +25%#18EBCE
Less saturated −25%#57ABA0

Channel breakdown

R55
G203
B183
Red55 (21.6%)
Green203 (79.6%)
Blue183 (71.8%)
Hue171.89°
Saturation (HSL)58.73%
Lightness50.59%
Dominant channelGreen
Hex per channelR 37 · G CB · B B7

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Every value on this page was computed from “37cbb7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.