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Recognised as Colour

#1BBBAC

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

#1BBBAC is a cyan with RGB values 27, 187, 172 and HSL 174°, 75%, 42%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#1BBBAC#1BBBAC
HEX#1BBBAC
RGBrgb(27, 187, 172)
RGB (0–1)0.1059, 0.7333, 0.6745
RGB percentages10.6%, 73.3%, 67.5%
HSLhsl(174.4, 74.8%, 42%)
HSV / HSBhsv(174.4, 85.6%, 73.3%)
CMYK85.6%, 0%, 8%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,817,516
CSS custom property--colour: #1BBBAC;

Brightness & contrast

Relative luminance0.38752WCAG 2.x, 0 is black and 1 is white
Perceived brightness155.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.75:1
Contrast with white2.4:1WCAG normal text: Fail
Contrast with black8.75:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#E44453

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B1B0ACno red cones; affects about 1% of men; ΔE 41.5 from the original
Deuteranopia#9DA1AEno green cones; the most common form, about 1% of men; ΔE 42.8 from the original
Tritanopia#00BFB6no blue cones; rare, and affects men and women equally; ΔE 3.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.4:1WCAG large text: Fail
Contrast with black, large text8.75:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 5.6Medium turquoise · ΔE 10.5Dark turquoise · ΔE 12.3Turquoise · ΔE 13Medium aquamarine · ΔE 14Dark cyan · ΔE 20.4
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 5.61, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB1B2A
Analogous#1BBB5C, #1B7ABB
Triadic#AC1BBB, #BBAC1B
Split complementary#BB1B7A, #BB5C1B
Tetradic#5C1BBB, #BB1B2A, #7ABB1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFF3ED
Lighter +30%#82EDE3
Lighter +20%#55E7D9
Lighter +10%#29E0CF
Darker −10%#158E83
Darker −20%#0E625A
Darker −30%#083531
Darker −40%#010908
More saturated +25%#00D6C2
Less saturated −25%#36A096

Channel breakdown

R27
G187
B172
Red27 (10.6%)
Green187 (73.3%)
Blue172 (67.5%)
Hue174.38°
Saturation (HSL)74.77%
Lightness41.96%
Dominant channelGreen
Hex per channelR 1B · G BB · B AC

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