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Recognised as Colour

#15B499

  • #15B499
  • Cyan
  • Dark
  • Nearest: Light seagreen

#15B499 is a cyan with RGB values 21, 180, 153 and HSL 170°, 79%, 39%. It is a dark colour, so black text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#15B499#15B499
HEX#15B499
RGBrgb(21, 180, 153)
RGB (0–1)0.0824, 0.7059, 0.6
RGB percentages8.2%, 70.6%, 60%
HSLhsl(169.8, 79.1%, 39.4%)
HSV / HSBhsv(169.8, 88.3%, 70.6%)
CMYK88.3%, 0%, 15%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,422,489
CSS custom property--colour: #15B499;

Brightness & contrast

Relative luminance0.35102WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.02:1
Contrast with white2.62:1WCAG normal text: Fail
Contrast with black8.02:1WCAG normal text: AAA
Greyscale equivalent#909090
Inverted#EA4B66

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ADA898no red cones; affects about 1% of men; ΔE 43.4 from the original
Deuteranopia#9A9A9Bno green cones; the most common form, about 1% of men; ΔE 44.4 from the original
Tritanopia#00B7ACno blue cones; rare, and affects men and women equally; ΔE 9.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.62:1WCAG large text: Fail
Contrast with black, large text8.02:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 11.4Medium aquamarine · ΔE 12.5Turquoise · ΔE 17Medium turquoise · ΔE 17.3Dark turquoise · ΔE 19.5Medium seagreen · ΔE 21.6
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 11.45, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B41530
Analogous#15B449, #1580B4
Triadic#9915B4, #B49915
Split complementary#B41580, #B44915
Tetradic#4915B4, #B41530, #80B415

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1F4E6
Lighter +30%#73EFDA
Lighter +20%#46E9CE
Lighter +10%#1AE2C0
Darker −10%#108672
Darker −20%#0A594B
Darker −30%#052B25
Darker −40%#000000
More saturated +25%#00C9A7
Less saturated −25%#2E9B88

Channel breakdown

R21
G180
B153
Red21 (8.2%)
Green180 (70.6%)
Blue153 (60%)
Hue169.81°
Saturation (HSL)79.1%
Lightness39.41%
Dominant channelGreen
Hex per channelR 15 · G B4 · B 99

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Every value on this page was computed from “15b499” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.