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Recognised as Colour

#2BB3A4

  • #2BB3A4
  • Cyan
  • Dark
  • Nearest: Light seagreen

#2BB3A4 is a cyan with RGB values 43, 179, 164 and HSL 173°, 61%, 44%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#2BB3A4#2BB3A4
HEX#2BB3A4
RGBrgb(43, 179, 164)
RGB (0–1)0.1686, 0.702, 0.6431
RGB percentages16.9%, 70.2%, 64.3%
HSLhsl(173.4, 61.3%, 43.5%)
HSV / HSBhsv(173.4, 76%, 70.2%)
CMYK76%, 0%, 8.4%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,864,036
CSS custom property--colour: #2BB3A4;

Brightness & contrast

Relative luminance0.35434WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.09:1
Contrast with white2.6:1WCAG normal text: Fail
Contrast with black8.09:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#D44C5B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AAA8A4no red cones; affects about 1% of men; ΔE 39 from the original
Deuteranopia#989BA5no green cones; the most common form, about 1% of men; ΔE 39.7 from the original
Tritanopia#00B7AEno blue cones; rare, and affects men and women equally; ΔE 4.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.6:1WCAG large text: Fail
Contrast with black, large text8.09:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 3.9Medium turquoise · ΔE 12.3Dark turquoise · ΔE 14.4Medium aquamarine · ΔE 14.5Turquoise · ΔE 16.2Dark cyan · ΔE 17.3
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 3.95, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B32B3A
Analogous#2BB360, #2B7EB3
Triadic#A42BB3, #B3A42B
Split complementary#B32B7E, #B3602B
Tetradic#602BB3, #B32B3A, #7EB32B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBEFE9
Lighter +30%#92E5DC
Lighter +20%#69DBCE
Lighter +10%#40D1C1
Darker −10%#218A7E
Darker −20%#176159
Darker −30%#0D3833
Darker −40%#030F0D
More saturated +25%#0FCFBA
Less saturated −25%#47978E

Channel breakdown

R43
G179
B164
Red43 (16.9%)
Green179 (70.2%)
Blue164 (64.3%)
Hue173.38°
Saturation (HSL)61.26%
Lightness43.53%
Dominant channelGreen
Hex per channelR 2B · G B3 · B A4

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Every value on this page was computed from “2bb3a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.