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Recognised as Colour

#4BC999

  • #4BC999
  • Cyan
  • Dark
  • Nearest: Medium aquamarine

#4BC999 is a cyan with RGB values 75, 201, 153 and HSL 157°, 54%, 54%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Medium aquamarine.

Colour values

#4BC999#4BC999
HEX#4BC999
RGBrgb(75, 201, 153)
RGB (0–1)0.2941, 0.7882, 0.6
RGB percentages29.4%, 78.8%, 60%
HSLhsl(157.1, 53.8%, 54.1%)
HSV / HSBhsv(157.1, 62.7%, 78.8%)
CMYK62.7%, 0%, 23.9%, 21.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,966,809
CSS custom property--colour: #4BC999;

Brightness & contrast

Relative luminance0.45569WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.11:1
Contrast with white2.08:1WCAG normal text: Fail
Contrast with black10.11:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#B43666

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C5BB96no red cones; affects about 1% of men; ΔE 44.2 from the original
Deuteranopia#B4AF9Cno green cones; the most common form, about 1% of men; ΔE 44.7 from the original
Tritanopia#00C9BCno blue cones; rare, and affects men and women equally; ΔE 19.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.08:1WCAG large text: Fail
Contrast with black, large text10.11:1WCAG large text: AAA

Named colours

Medium aquamarine · ΔE 9.8Medium seagreen · ΔE 13.3Aquamarine · ΔE 19.2Turquoise · ΔE 19.7Dark seagreen · ΔE 22.7Light seagreen · ΔE 23.2
Nearest named CSS colourMedium aquamarine (#66CDAA)ΔE 9.85, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C94B7B
Analogous#4BC95A, #4BBAC9
Triadic#994BC9, #C9994B
Split complementary#C94BBA, #C95A4B
Tetradic#5A4BC9, #C94B7B, #BAC94B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8F8F2
Lighter +30%#C1ECDC
Lighter +20%#99E1C5
Lighter +10%#72D5AF
Darker −10%#34AD7F
Darker −20%#288662
Darker −30%#1C5F45
Darker −40%#113729
More saturated +25%#2EE6A0
Less saturated −25%#68AC92

Channel breakdown

R75
G201
B153
Red75 (29.4%)
Green201 (78.8%)
Blue153 (60%)
Hue157.14°
Saturation (HSL)53.85%
Lightness54.12%
Dominant channelGreen
Hex per channelR 4B · G C9 · B 99

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Every value on this page was computed from “4bc999” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.