Nerdulator> put something in

Recognised as Colour

#04573A

  • #04573A
  • Cyan
  • Dark
  • Nearest: Sea green

#04573A is a cyan with RGB values 4, 87, 58 and HSL 159°, 91%, 18%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Sea green.

Colour values

#04573A#04573A
HEX#04573A
RGBrgb(4, 87, 58)
RGB (0–1)0.0157, 0.3412, 0.2275
RGB percentages1.6%, 34.1%, 22.7%
HSLhsl(159, 91.2%, 17.8%)
HSV / HSBhsv(159, 95.4%, 34.1%)
CMYK95.4%, 0%, 33.3%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer284,474
CSS custom property--colour: #04573A;

Brightness & contrast

Relative luminance0.07148WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.64:1
Contrast with white8.64:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#FBA8C5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#555038no red cones; affects about 1% of men; ΔE 28.6 from the original
Deuteranopia#4C493Cno green cones; the most common form, about 1% of men; ΔE 29.2 from the original
Tritanopia#00574Fno blue cones; rare, and affects men and women equally; ΔE 13.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.64:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Sea green · ΔE 23.5Dark slate grey · ΔE 23.6Teal · ΔE 25Dark olivegreen · ΔE 25.2Dark cyan · ΔE 28.1Dark green · ΔE 34
Nearest named CSS colourSea green (#2E8B57)ΔE 23.48, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#570421
Analogous#045711, #044A57
Triadic#3A0457, #573A04
Split complementary#57044A, #571104
Tetradic#110457, #570421, #4A5704

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#31F6B1
Lighter +30%#0BE99C
Lighter +20%#08B97B
Lighter +10%#06885B
Darker −10%#022619
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005B3B
Less saturated −25%#0F4C37

Channel breakdown

R4
G87
B58
Red4 (1.6%)
Green87 (34.1%)
Blue58 (22.7%)
Hue159.04°
Saturation (HSL)91.21%
Lightness17.84%
Dominant channelGreen
Hex per channelR 04 · G 57 · B 3A

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “04573a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.