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Recognised as Colour

#018C63

  • #018C63
  • Cyan
  • Dark
  • Nearest: Sea green

#018C63 is a cyan with RGB values 1, 140, 99 and HSL 162°, 99%, 28%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#018C63#018C63
HEX#018C63
RGBrgb(1, 140, 99)
RGB (0–1)0.0039, 0.549, 0.3882
RGB percentages0.4%, 54.9%, 38.8%
HSLhsl(162.3, 98.6%, 27.6%)
HSV / HSBhsv(162.3, 99.3%, 54.9%)
CMYK99.3%, 0%, 29.3%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer101,475
CSS custom property--colour: #018C63;

Brightness & contrast

Relative luminance0.19663WCAG 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 4.93:1
Contrast with white4.26:1WCAG normal text: Fail
Contrast with black4.93:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#FE739C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#898161no red cones; affects about 1% of men; ΔE 40.6 from the original
Deuteranopia#7B7666no green cones; the most common form, about 1% of men; ΔE 41.6 from the original
Tritanopia#008C81no blue cones; rare, and affects men and women equally; ΔE 18.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.26:1WCAG large text: AA
Contrast with black, large text4.93:1WCAG large text: AAA

Named colours

Sea green · ΔE 7.5Medium seagreen · ΔE 18.7Light seagreen · ΔE 24.6Dark cyan · ΔE 25Medium aquamarine · ΔE 25Teal · ΔE 25.7
Nearest named CSS colourSea green (#2E8B57)ΔE 7.52, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C012A
Analogous#018C1E, #016F8C
Triadic#63018C, #8C6301
Split complementary#8C016F, #8C1E01
Tetradic#1E018C, #8C012A, #6F8C01

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5BFECE
Lighter +30%#29FDBF
Lighter +20%#02F1AB
Lighter +10%#01BF87
Darker −10%#01593F
Darker −20%#00271B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008D63
Less saturated −25%#137A5C

Channel breakdown

R1
G140
B99
Red1 (0.4%)
Green140 (54.9%)
Blue99 (38.8%)
Hue162.3°
Saturation (HSL)98.58%
Lightness27.65%
Dominant channelGreen
Hex per channelR 01 · G 8C · B 63

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Every value on this page was computed from “018c63” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.