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Recognised as Colour

#04594F

  • #04594F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#04594F is a cyan with RGB values 4, 89, 79 and HSL 173°, 91%, 18%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#04594F#04594F
HEX#04594F
RGBrgb(4, 89, 79)
RGB (0–1)0.0157, 0.349, 0.3098
RGB percentages1.6%, 34.9%, 31%
HSLhsl(172.9, 91.4%, 18.2%)
HSV / HSBhsv(172.9, 95.5%, 34.9%)
CMYK95.5%, 0%, 11.2%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer285,007
CSS custom property--colour: #04594F;

Brightness & contrast

Relative luminance0.07735WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.24:1
Contrast with white8.24:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#FBA6B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#54534Fno red cones; affects about 1% of men; ΔE 25.1 from the original
Deuteranopia#4A4B50no green cones; the most common form, about 1% of men; ΔE 26.2 from the original
Tritanopia#005B56no blue cones; rare, and affects men and women equally; ΔE 3.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.24:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 14.1Teal · ΔE 17.1Dark cyan · ΔE 21.2Dim grey · ΔE 27.6Cadetblue · ΔE 29.1Sea green · ΔE 31.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 14.06, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#59040E
Analogous#045925, #043859
Triadic#4F0459, #594F04
Split complementary#590438, #592504
Tetradic#250459, #59040E, #395904

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#33F6DF
Lighter +30%#0BEBD1
Lighter +20%#08BBA6
Lighter +10%#068A7A
Darker −10%#022824
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005D52
Less saturated −25%#104D46

Channel breakdown

R4
G89
B79
Red4 (1.6%)
Green89 (34.9%)
Blue79 (31%)
Hue172.94°
Saturation (HSL)91.4%
Lightness18.24%
Dominant channelGreen
Hex per channelR 04 · G 59 · B 4F

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Every value on this page was computed from “04594f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.