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Recognised as Colour

#1CA573

  • #1CA573
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#1CA573 is a cyan with RGB values 28, 165, 115 and HSL 158°, 71%, 38%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Medium seagreen.

Colour values

#1CA573#1CA573
HEX#1CA573
RGBrgb(28, 165, 115)
RGB (0–1)0.1098, 0.6471, 0.451
RGB percentages11%, 64.7%, 45.1%
HSLhsl(158.1, 71%, 37.8%)
HSV / HSBhsv(158.1, 83%, 64.7%)
CMYK83%, 0%, 30.3%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,877,363
CSS custom property--colour: #1CA573;

Brightness & contrast

Relative luminance0.28395WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.68:1
Contrast with white3.14:1WCAG normal text: Fail
Contrast with black6.68:1WCAG normal text: AA
Greyscale equivalent#848484
Inverted#E35A8C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A29870no red cones; affects about 1% of men; ΔE 44.6 from the original
Deuteranopia#928D76no green cones; the most common form, about 1% of men; ΔE 44.7 from the original
Tritanopia#00A598no blue cones; rare, and affects men and women equally; ΔE 21.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.14:1WCAG large text: AA
Contrast with black, large text6.68:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 9.6Sea green · ΔE 11.8Medium aquamarine · ΔE 19.3Light seagreen · ΔE 25Dark seagreen · ΔE 25.9Turquoise · ΔE 29.3
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 9.58, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A51C4E
Analogous#1CA52E, #1C92A5
Triadic#731CA5, #A5731C
Split complementary#A51C92, #A52E1C
Tetradic#2F1CA5, #A51C4E, #93A51C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EEFD1
Lighter +30%#73E7BD
Lighter +20%#47E0A8
Lighter +10%#23D191
Darker −10%#157955
Darker −20%#0D4E36
Darker −30%#062218
Darker −40%#000000
More saturated +25%#04BD7A
Less saturated −25%#348D6C

Channel breakdown

R28
G165
B115
Red28 (11%)
Green165 (64.7%)
Blue115 (45.1%)
Hue158.1°
Saturation (HSL)70.98%
Lightness37.84%
Dominant channelGreen
Hex per channelR 1C · G A5 · B 73

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Every value on this page was computed from “1ca573” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.