Nerdulator> put something in

Recognised as Colour

#91B5BB

  • #91B5BB
  • Cyan
  • Dark
  • Nearest: Dark grey

#91B5BB is a cyan with RGB values 145, 181, 187 and HSL 189°, 24%, 65%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#91B5BB#91B5BB
HEX#91B5BB
RGBrgb(145, 181, 187)
RGB (0–1)0.5686, 0.7098, 0.7333
RGB percentages56.9%, 71%, 73.3%
HSLhsl(188.6, 23.6%, 65.1%)
HSV / HSBhsv(188.6, 22.5%, 73.3%)
CMYK22.5%, 3.2%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,549,243
CSS custom property--colour: #91B5BB;

Brightness & contrast

Relative luminance0.42655WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.53:1
Contrast with white2.2:1WCAG normal text: Fail
Contrast with black9.53:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#6E4A44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AFB2BBno red cones; affects about 1% of men; ΔE 11.7 from the original
Deuteranopia#A7ACBBno green cones; the most common form, about 1% of men; ΔE 12.1 from the original
Tritanopia#84B8B7no blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.2:1WCAG large text: Fail
Contrast with black, large text9.53:1WCAG large text: AAA

Named colours

Dark grey · ΔE 13Light blue · ΔE 13.3Cadetblue · ΔE 13.5Silver · ΔE 14.3Light steelblue · ΔE 14.4Powder blue · ΔE 15.2
Nearest named CSS colourDark grey (#A9A9A9)ΔE 13.02, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB9791
Analogous#91BBAC, #91A0BB
Triadic#BB91B5, #B5BB91
Split complementary#BB91A0, #BBAC91
Tetradic#AC91BB, #BB9791, #A0BB91

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F0F5F5
Lighter +20%#D0DFE2
Lighter +10%#B1CACE
Darker −10%#71A0A8
Darker −20%#58868E
Darker −30%#44696F
Darker −40%#314B4F
More saturated +25%#7BC5D1
Less saturated −25%#A6A6A6

Channel breakdown

R145
G181
B187
Red145 (56.9%)
Green181 (71%)
Blue187 (73.3%)
Hue188.57°
Saturation (HSL)23.6%
Lightness65.1%
Dominant channelBlue
Hex per channelR 91 · G B5 · B BB

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “91b5bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.