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Recognised as Colour

#15CEB2

  • #15CEB2
  • Cyan
  • Dark
  • Nearest: Turquoise

#15CEB2 is a cyan with RGB values 21, 206, 178 and HSL 171°, 81%, 45%. It is a dark colour, so black text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Turquoise.

Colour values

#15CEB2#15CEB2
HEX#15CEB2
RGBrgb(21, 206, 178)
RGB (0–1)0.0824, 0.8078, 0.698
RGB percentages8.2%, 80.8%, 69.8%
HSLhsl(170.9, 81.5%, 44.5%)
HSV / HSBhsv(170.9, 89.8%, 80.8%)
CMYK89.8%, 0%, 13.6%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,429,170
CSS custom property--colour: #15CEB2;

Brightness & contrast

Relative luminance0.47516WCAG 2.x, 0 is black and 1 is white
Perceived brightness169.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.5:1
Contrast with white2:1WCAG normal text: Fail
Contrast with black10.5:1WCAG normal text: AAA
Greyscale equivalent#A5A5A5
Inverted#EA314D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C5C1B1no red cones; affects about 1% of men; ΔE 47.3 from the original
Deuteranopia#B0B1B4no green cones; the most common form, about 1% of men; ΔE 48.6 from the original
Tritanopia#00D1C6no blue cones; rare, and affects men and women equally; ΔE 9.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2:1WCAG large text: Fail
Contrast with black, large text10.5:1WCAG large text: AAA

Named colours

Turquoise · ΔE 10Medium aquamarine · ΔE 11.7Medium turquoise · ΔE 15.2Light seagreen · ΔE 16.1Dark turquoise · ΔE 17.6Aquamarine · ΔE 19.3
Nearest named CSS colourTurquoise (#40E0D0)ΔE 9.99, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE1531
Analogous#15CE55, #158DCE
Triadic#B215CE, #CEB215
Split complementary#CE158D, #CE5515
Tetradic#5615CE, #CE1531, #8ECE15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7F8EE
Lighter +30%#89F3E3
Lighter +20%#5BEED8
Lighter +10%#2CEACD
Darker −10%#10A08A
Darker −20%#0C7162
Darker −30%#07433A
Darker −40%#021512
More saturated +25%#00E3C1
Less saturated −25%#31B29E

Channel breakdown

R21
G206
B178
Red21 (8.2%)
Green206 (80.8%)
Blue178 (69.8%)
Hue170.92°
Saturation (HSL)81.5%
Lightness44.51%
Dominant channelGreen
Hex per channelR 15 · G CE · B B2

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Every value on this page was computed from “15ceb2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.