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Recognised as Colour

#018D5C

  • #018D5C
  • Cyan
  • Dark
  • Nearest: Sea green

#018D5C is a cyan with RGB values 1, 141, 92 and HSL 159°, 99%, 28%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#018D5C#018D5C
HEX#018D5C
RGBrgb(1, 141, 92)
RGB (0–1)0.0039, 0.5529, 0.3608
RGB percentages0.4%, 55.3%, 36.1%
HSLhsl(159, 98.6%, 27.8%)
HSV / HSBhsv(159, 99.3%, 55.3%)
CMYK99.3%, 0%, 34.8%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer101,724
CSS custom property--colour: #018D5C;

Brightness & contrast

Relative luminance0.19829WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.97:1
Contrast with white4.23:1WCAG normal text: Fail
Contrast with black4.97:1WCAG normal text: AA
Greyscale equivalent#6C6C6C
Inverted#FE72A3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8B8159no red cones; affects about 1% of men; ΔE 42.4 from the original
Deuteranopia#7D775Fno green cones; the most common form, about 1% of men; ΔE 42.7 from the original
Tritanopia#008C80no blue cones; rare, and affects men and women equally; ΔE 22.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.23:1WCAG large text: AA
Contrast with black, large text4.97:1WCAG large text: AAA

Named colours

Sea green · ΔE 5.5Medium seagreen · ΔE 15.8Medium aquamarine · ΔE 26.4Forest green · ΔE 28.2Light seagreen · ΔE 28.4Dark green · ΔE 29.1
Nearest named CSS colourSea green (#2E8B57)ΔE 5.52, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D0132
Analogous#018D16, #01788D
Triadic#5C018D, #8D5C01
Split complementary#8D0178, #8D1601
Tetradic#16018D, #8D0132, #788D01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5CFEC5
Lighter +30%#2AFDB3
Lighter +20%#02F29E
Lighter +10%#01C07D
Darker −10%#015A3B
Darker −20%#00281A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008E5C
Less saturated −25%#137B57

Channel breakdown

R1
G141
B92
Red1 (0.4%)
Green141 (55.3%)
Blue92 (36.1%)
Hue159°
Saturation (HSL)98.59%
Lightness27.84%
Dominant channelGreen
Hex per channelR 01 · G 8D · B 5C

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Every value on this page was computed from “018d5c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.