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Recognised as Colour

#1BB9BE

  • #1BB9BE
  • Cyan
  • Dark
  • Nearest: Light seagreen

#1BB9BE is a cyan with RGB values 27, 185, 190 and HSL 182°, 75%, 43%. 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

#1BB9BE#1BB9BE
HEX#1BB9BE
RGBrgb(27, 185, 190)
RGB (0–1)0.1059, 0.7255, 0.7451
RGB percentages10.6%, 72.5%, 74.5%
HSLhsl(181.8, 75.1%, 42.5%)
HSV / HSBhsv(181.8, 85.8%, 74.5%)
CMYK85.8%, 2.6%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,817,022
CSS custom property--colour: #1BB9BE;

Brightness & contrast

Relative luminance0.38649WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.3 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#E44641

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ABB0BFno red cones; affects about 1% of men; ΔE 36.9 from the original
Deuteranopia#96A0BFno green cones; the most common form, about 1% of men; ΔE 38.6 from the original
Tritanopia#00C0BAno blue cones; rare, and affects men and women equally; ΔE 7.6 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 7.9Dark turquoise · ΔE 8.4Medium turquoise · ΔE 10Dark cyan · ΔE 17.5Cadetblue · ΔE 18.1Turquoise · ΔE 18.2
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 7.89, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE201B
Analogous#1BBE72, #1B67BE
Triadic#BE1BB9, #B9BE1B
Split complementary#BE1B67, #BE721B
Tetradic#721BBE, #BE201B, #67BE1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B1F2F4
Lighter +30%#84EAEE
Lighter +20%#58E3E7
Lighter +10%#2BDBE1
Darker −10%#158E91
Darker −20%#0E6265
Darker −30%#083738
Darker −40%#020B0B
More saturated +25%#00D2D9
Less saturated −25%#36A0A3

Channel breakdown

R27
G185
B190
Red27 (10.6%)
Green185 (72.5%)
Blue190 (74.5%)
Hue181.84°
Saturation (HSL)75.12%
Lightness42.55%
Dominant channelBlue
Hex per channelR 1B · G B9 · B BE

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Every value on this page was computed from “1bb9be” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.