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Recognised as Colour

#1BBFB1

  • #1BBFB1
  • Cyan
  • Dark
  • Nearest: Light seagreen

#1BBFB1 is a cyan with RGB values 27, 191, 177 and HSL 175°, 75%, 43%. It is a dark colour, so black text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#1BBFB1#1BBFB1
HEX#1BBFB1
RGBrgb(27, 191, 177)
RGB (0–1)0.1059, 0.749, 0.6941
RGB percentages10.6%, 74.9%, 69.4%
HSLhsl(174.9, 75.2%, 42.7%)
HSV / HSBhsv(174.9, 85.9%, 74.9%)
CMYK85.9%, 0%, 7.3%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,818,545
CSS custom property--colour: #1BBFB1;

Brightness & contrast

Relative luminance0.40669WCAG 2.x, 0 is black and 1 is white
Perceived brightness158.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.13:1
Contrast with white2.3:1WCAG normal text: Fail
Contrast with black9.13:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#E4404E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B5B4B1no red cones; affects about 1% of men; ΔE 42 from the original
Deuteranopia#A0A5B3no green cones; the most common form, about 1% of men; ΔE 43 from the original
Tritanopia#00C4BAno blue cones; rare, and affects men and women equally; ΔE 3.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.3:1WCAG large text: Fail
Contrast with black, large text9.13:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 6.3Medium turquoise · ΔE 9.2Dark turquoise · ΔE 11Turquoise · ΔE 11.6Medium aquamarine · ΔE 14Dark cyan · ΔE 21.5
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 6.32, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF1B29
Analogous#1BBF5F, #1B7BBF
Triadic#B11BBF, #BFB11B
Split complementary#BF1B7B, #BF5F1B
Tetradic#5F1BBF, #BF1B29, #7BBF1B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2F4EE
Lighter +30%#85EEE5
Lighter +20%#59E7DB
Lighter +10%#2CE1D2
Darker −10%#159288
Darker −20%#0E665E
Darker −30%#083935
Darker −40%#020C0B
More saturated +25%#00DAC7
Less saturated −25%#36A49A

Channel breakdown

R27
G191
B177
Red27 (10.6%)
Green191 (74.9%)
Blue177 (69.4%)
Hue174.88°
Saturation (HSL)75.23%
Lightness42.75%
Dominant channelGreen
Hex per channelR 1B · G BF · B B1

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Every value on this page was computed from “1bbfb1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.