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Recognised as Colour

#1BBAB4

  • #1BBAB4
  • Cyan
  • Dark
  • Nearest: Light seagreen

#1BBAB4 is a cyan with RGB values 27, 186, 180 and HSL 178°, 75%, 42%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#1BBAB4#1BBAB4
HEX#1BBAB4
RGBrgb(27, 186, 180)
RGB (0–1)0.1059, 0.7294, 0.7059
RGB percentages10.6%, 72.9%, 70.6%
HSLhsl(177.7, 74.6%, 41.8%)
HSV / HSBhsv(177.7, 85.5%, 72.9%)
CMYK85.5%, 0%, 3.2%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,817,268
CSS custom property--colour: #1BBAB4;

Brightness & contrast

Relative luminance0.38646WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.73:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.73:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#E4454B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AEB0B4no red cones; affects about 1% of men; ΔE 39.2 from the original
Deuteranopia#9AA1B5no green cones; the most common form, about 1% of men; ΔE 40.5 from the original
Tritanopia#00BFB8no blue cones; rare, and affects men and women equally; ΔE 2.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.73:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 3.3Medium turquoise · ΔE 8.5Dark turquoise · ΔE 9Turquoise · ΔE 14.4Medium aquamarine · ΔE 17.7Dark cyan · ΔE 18.2
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 3.29, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA1B21
Analogous#1BBA65, #1B70BA
Triadic#B41BBA, #BAB41B
Split complementary#BA1B70, #BA651B
Tetradic#651BBA, #BA1B21, #70BA1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEF3F1
Lighter +30%#81EDE9
Lighter +20%#55E6E1
Lighter +10%#28E0D9
Darker −10%#158D89
Darker −20%#0E615E
Darker −30%#083433
Darker −40%#010808
More saturated +25%#00D5CD
Less saturated −25%#369F9B

Channel breakdown

R27
G186
B180
Red27 (10.6%)
Green186 (72.9%)
Blue180 (70.6%)
Hue177.74°
Saturation (HSL)74.65%
Lightness41.76%
Dominant channelGreen
Hex per channelR 1B · G BA · B B4

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Every value on this page was computed from “1bbab4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.