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Recognised as Colour

#1DB4A3

  • #1DB4A3
  • Cyan
  • Dark
  • Nearest: Light seagreen

#1DB4A3 is a cyan with RGB values 29, 180, 163 and HSL 173°, 72%, 41%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Light seagreen.

Colour values

#1DB4A3#1DB4A3
HEX#1DB4A3
RGBrgb(29, 180, 163)
RGB (0–1)0.1137, 0.7059, 0.6392
RGB percentages11.4%, 70.6%, 63.9%
HSLhsl(173.2, 72.2%, 41%)
HSV / HSBhsv(173.2, 83.9%, 70.6%)
CMYK83.9%, 0%, 9.4%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,946,787
CSS custom property--colour: #1DB4A3;

Brightness & contrast

Relative luminance0.35548WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.11:1
Contrast with white2.59:1WCAG normal text: Fail
Contrast with black8.11:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#E24B5C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ABA9A2no red cones; affects about 1% of men; ΔE 40.6 from the original
Deuteranopia#989BA5no green cones; the most common form, about 1% of men; ΔE 41.8 from the original
Tritanopia#00B8AFno blue cones; rare, and affects men and women equally; ΔE 4.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.59:1WCAG large text: Fail
Contrast with black, large text8.11:1WCAG large text: AAA

Named colours

Light seagreen · ΔE 5.5Medium turquoise · ΔE 12.9Medium aquamarine · ΔE 14.1Dark turquoise · ΔE 14.8Turquoise · ΔE 15.6Dark cyan · ΔE 18.6
Nearest named CSS colourLight seagreen (#20B2AA)ΔE 5.45, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B41D2E
Analogous#1DB457, #1D7AB4
Triadic#A31DB4, #B4A31D
Split complementary#B41D7A, #B4571D
Tetradic#571DB4, #B41D2E, #7AB41D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABF2EA
Lighter +30%#80EADE
Lighter +20%#54E3D3
Lighter +10%#28DCC8
Darker −10%#16887B
Darker −20%#0F5C53
Darker −30%#08302C
Darker −40%#010404
More saturated +25%#03CEB7
Less saturated −25%#379A8F

Channel breakdown

R29
G180
B163
Red29 (11.4%)
Green180 (70.6%)
Blue163 (63.9%)
Hue173.25°
Saturation (HSL)72.25%
Lightness40.98%
Dominant channelGreen
Hex per channelR 1D · G B4 · B A3

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Every value on this page was computed from “1db4a3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.