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Recognised as Colour

#39B2B2

  • #39B2B2
  • Cyan
  • Dark
  • Nearest: Light seagreen

#39B2B2 is a cyan with RGB values 57, 178, 178 and HSL 180°, 51%, 46%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#39B2B2#39B2B2
HEX#39B2B2
RGBrgb(57, 178, 178)
RGB (0–1)0.2235, 0.698, 0.698
RGB percentages22.4%, 69.8%, 69.8%
HSLhsl(180, 51.5%, 46.1%)
HSV / HSBhsv(180, 68%, 69.8%)
CMYK68%, 0%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,781,298
CSS custom property--colour: #39B2B2;

Brightness & contrast

Relative luminance0.35925WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.18:1
Contrast with white2.57:1WCAG normal text: Fail
Contrast with black8.18:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#C64D4D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A6A9B2no red cones; affects about 1% of men; ΔE 33.5 from the original
Deuteranopia#949CB3no green cones; the most common form, about 1% of men; ΔE 34.6 from the original
Tritanopia#00B8B2no blue cones; rare, and affects men and women equally; ΔE 7.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.57:1WCAG large text: Fail
Contrast with black, large text8.18:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 6.2Medium turquoise · ΔE 11.6Dark turquoise · ΔE 12.3Cadetblue · ΔE 13.9Dark cyan · ΔE 14.4Teal · ΔE 18.6
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 6.2, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B23939
Analogous#39B276, #3976B2
Triadic#B239B2, #B2B239
Split complementary#B23976, #B27639
Tetradic#7639B2, #B23939, #76B239

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9EEEE
Lighter +30%#A3E1E1
Lighter +20%#7CD5D5
Lighter +10%#55C9C9
Darker −10%#2D8B8B
Darker −20%#206565
Darker −30%#143E3E
Darker −40%#081717
More saturated +25%#1CCFCF
Less saturated −25%#569595

Channel breakdown

R57
G178
B178
Red57 (22.4%)
Green178 (69.8%)
Blue178 (69.8%)
Hue180°
Saturation (HSL)51.49%
Lightness46.08%
Dominant channelGreen and Blue
Hex per channelR 39 · G B2 · B B2

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Every value on this page was computed from “39b2b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.