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Recognised as Colour

#40ACAB

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

#40ACAB is a cyan with RGB values 64, 172, 171 and HSL 179°, 46%, 46%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#40ACAB#40ACAB
HEX#40ACAB
RGBrgb(64, 172, 171)
RGB (0–1)0.251, 0.6745, 0.6706
RGB percentages25.1%, 67.5%, 67.1%
HSLhsl(179.4, 45.8%, 46.3%)
HSV / HSBhsv(179.4, 62.8%, 67.5%)
CMYK62.8%, 0%, 0.6%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,238,507
CSS custom property--colour: #40ACAB;

Brightness & contrast

Relative luminance0.33535WCAG 2.x, 0 is black and 1 is white
Perceived brightness148.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.71:1
Contrast with white2.72:1WCAG normal text: Fail
Contrast with black7.71:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#BF5354

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A1A4ABno red cones; affects about 1% of men; ΔE 31.2 from the original
Deuteranopia#9197ACno green cones; the most common form, about 1% of men; ΔE 32.9 from the original
Tritanopia#00B1ABno blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.72:1WCAG large text: Fail
Contrast with black, large text7.71:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 7.6Cadetblue · ΔE 11.3Dark cyan · ΔE 12.4Medium turquoise · ΔE 14.1Dark turquoise · ΔE 15.2Teal · ΔE 16.4
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 7.56, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC4041
Analogous#40AC75, #4077AC
Triadic#AB40AC, #ACAB40
Split complementary#AC4077, #AC7540
Tetradic#7540AC, #AC4041, #77AC40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCECEC
Lighter +30%#A7DEDE
Lighter +20%#82D0D0
Lighter +10%#5CC3C2
Darker −10%#328786
Darker −20%#246261
Darker −30%#173C3C
Darker −40%#091717
More saturated +25%#22CAC8
Less saturated −25%#5E8F8E

Channel breakdown

R64
G172
B171
Red64 (25.1%)
Green172 (67.5%)
Blue171 (67.1%)
Hue179.44°
Saturation (HSL)45.76%
Lightness46.27%
Dominant channelGreen
Hex per channelR 40 · G AC · B AB

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