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Colour

#40AFA4

  • #40AFA4
  • Cyan
  • Dark
  • Nearest: Light seagreen

#40AFA4 is a cyan with RGB values 64, 175, 164 and HSL 174°, 46%, 47%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#40AFA4#40AFA4
HEX#40AFA4
RGBrgb(64, 175, 164)
RGB (0–1)0.251, 0.6863, 0.6431
RGB percentages25.1%, 68.6%, 64.3%
HSLhsl(174.1, 46.4%, 46.9%)
HSV / HSBhsv(174.1, 63.4%, 68.6%)
CMYK63.4%, 0%, 6.3%, 31.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,239,268
CSS custom property--colour: #40AFA4;

Brightness & contrast

Relative luminance0.3443WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.89:1
Contrast with white2.66:1WCAG normal text: Fail
Contrast with black7.89:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#BF505B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A6A6A4no red cones; affects about 1% of men; ΔE 33.8 from the original
Deuteranopia#9699A5no green cones; the most common form, about 1% of men; ΔE 35.3 from the original
Tritanopia#00B3ABno blue cones; rare, and affects men and women equally; ΔE 6.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.66:1WCAG large text: Fail
Contrast with black, large text7.89:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 4.6Medium turquoise · ΔE 13Dark cyan · ΔE 14.5Cadetblue · ΔE 15.2Dark turquoise · ΔE 15.4Medium aquamarine · ΔE 16.5
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 4.62, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AF404B
Analogous#40AF6D, #4083AF
Triadic#A440AF, #AFA440
Split complementary#AF4082, #AF6D40
Tetradic#6D40AF, #AF404B, #83AF40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEEDEA
Lighter +30%#A9DFDA
Lighter +20%#83D2CA
Lighter +10%#5EC4BA
Darker −10%#328A81
Darker −20%#25645E
Darker −30%#173F3B
Darker −40%#091A18
More saturated +25%#22CDBC
Less saturated −25%#5E918C

Channel breakdown

R64
G175
B164
Red64 (25.1%)
Green175 (68.6%)
Blue164 (64.3%)
Hue174.05°
Saturation (HSL)46.44%
Lightness46.86%
Dominant channelGreen
Hex per channelR 40 · G AF · B A4

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Every value on this page was computed from “40afa4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.