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Recognised as Colour

#15594F

  • #15594F
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#15594F is a cyan with RGB values 21, 89, 79 and HSL 171°, 62%, 22%. 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

#15594F#15594F
HEX#15594F
RGBrgb(21, 89, 79)
RGB (0–1)0.0824, 0.349, 0.3098
RGB percentages8.2%, 34.9%, 31%
HSLhsl(171.2, 61.8%, 21.6%)
HSV / HSBhsv(171.2, 76.4%, 34.9%)
CMYK76.4%, 0%, 11.2%, 65.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,399,119
CSS custom property--colour: #15594F;

Brightness & contrast

Relative luminance0.07869WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.16:1
Contrast with white8.16:1WCAG normal text: AAA
Contrast with black2.57:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#EAA6B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#55534Fno red cones; affects about 1% of men; ΔE 23.5 from the original
Deuteranopia#4B4C50no green cones; the most common form, about 1% of men; ΔE 24 from the original
Tritanopia#005B56no blue cones; rare, and affects men and women equally; ΔE 3.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.16:1WCAG large text: AAA
Contrast with black, large text2.57:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.4Teal · ΔE 17.6Dark cyan · ΔE 21.7Dim grey · ΔE 25.7Cadetblue · ΔE 28.6Slate grey · ΔE 30.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.37, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#59151F
Analogous#15592D, #154159
Triadic#4F1559, #594F15
Split complementary#591541, #592D15
Tetradic#2D1559, #59151F, #415915

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#60DAC8
Lighter +30%#37D0B9
Lighter +20%#28AC98
Lighter +10%#1F8274
Darker −10%#0B302A
Darker −20%#020606
Darker −30%#000000
Darker −40%#000000
More saturated +25%#076759
Less saturated −25%#234B45

Channel breakdown

R21
G89
B79
Red21 (8.2%)
Green89 (34.9%)
Blue79 (31%)
Hue171.18°
Saturation (HSL)61.82%
Lightness21.57%
Dominant channelGreen
Hex per channelR 15 · G 59 · B 4F

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Every value on this page was computed from “15594f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.