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Recognised as Colour

#15B2BF

  • #15B2BF
  • Cyan
  • Dark
  • Nearest: Light seagreen

#15B2BF is a cyan with RGB values 21, 178, 191 and HSL 185°, 80%, 42%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#15B2BF#15B2BF
HEX#15B2BF
RGBrgb(21, 178, 191)
RGB (0–1)0.0824, 0.698, 0.749
RGB percentages8.2%, 69.8%, 74.9%
HSLhsl(184.6, 80.2%, 41.6%)
HSV / HSBhsv(184.6, 89%, 74.9%)
CMYK89%, 6.8%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,422,015
CSS custom property--colour: #15B2BF;

Brightness & contrast

Relative luminance0.35762WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.15:1
Contrast with white2.58:1WCAG normal text: Fail
Contrast with black8.15:1WCAG normal text: AAA
Greyscale equivalent#929292
Inverted#EA4D40

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A2AAC0no red cones; affects about 1% of men; ΔE 34.1 from the original
Deuteranopia#8D9BBFno green cones; the most common form, about 1% of men; ΔE 35.2 from the original
Tritanopia#00BAB6no blue cones; rare, and affects men and women equally; ΔE 11 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.58:1WCAG large text: Fail
Contrast with black, large text8.15:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 12.2Dark turquoise · ΔE 12.7Medium turquoise · ΔE 14.8Dark cyan · ΔE 16.4Cadetblue · ΔE 16.4Teal · ΔE 20.3
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 12.23, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF2215
Analogous#15BF77, #155DBF
Triadic#BF15B2, #B2BF15
Split complementary#BF155D, #BF7715
Tetradic#7715BF, #BF2215, #5DBF15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AAF0F6
Lighter +30%#7CE8F1
Lighter +20%#4EE0EC
Lighter +10%#20D7E7
Darker −10%#108791
Darker −20%#0B5C63
Darker −30%#063235
Darker −40%#010707
More saturated +25%#00C4D4
Less saturated −25%#309CA5

Channel breakdown

R21
G178
B191
Red21 (8.2%)
Green178 (69.8%)
Blue191 (74.9%)
Hue184.59°
Saturation (HSL)80.19%
Lightness41.57%
Dominant channelBlue
Hex per channelR 15 · G B2 · B BF

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Every value on this page was computed from “15b2bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.