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Recognised as Colour

#018858

  • #018858
  • Cyan
  • Dark
  • Nearest: Sea green

#018858 is a cyan with RGB values 1, 136, 88 and HSL 159°, 99%, 27%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#018858#018858
HEX#018858
RGBrgb(1, 136, 88)
RGB (0–1)0.0039, 0.5333, 0.3451
RGB percentages0.4%, 53.3%, 34.5%
HSLhsl(158.7, 98.5%, 26.9%)
HSV / HSBhsv(158.7, 99.3%, 53.3%)
CMYK99.3%, 0%, 35.3%, 46.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer100,440
CSS custom property--colour: #018858;

Brightness & contrast

Relative luminance0.18319WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.66:1
Contrast with white4.5:1WCAG normal text: AA
Contrast with black4.66:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#FE77A7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#867C55no red cones; affects about 1% of men; ΔE 41.5 from the original
Deuteranopia#79735Bno green cones; the most common form, about 1% of men; ΔE 41.7 from the original
Tritanopia#00877Cno blue cones; rare, and affects men and women equally; ΔE 22.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.5:1WCAG large text: AAA
Contrast with black, large text4.66:1WCAG large text: AAA

Named colours

Sea green · ΔE 5Medium seagreen · ΔE 17.6Medium aquamarine · ΔE 27.8Dark green · ΔE 28.2Forest green · ΔE 28.5Light seagreen · ΔE 29
Nearest named CSS colourSea green (#2E8B57)ΔE 5.03, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#880131
Analogous#018814, #017588
Triadic#580188, #885801
Split complementary#880175, #881401
Tetradic#140188, #880131, #758801

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#57FEC3
Lighter +30%#25FDB0
Lighter +20%#02ED9A
Lighter +10%#01BB79
Darker −10%#015537
Darker −20%#002316
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008958
Less saturated −25%#127753

Channel breakdown

R1
G136
B88
Red1 (0.4%)
Green136 (53.3%)
Blue88 (34.5%)
Hue158.67°
Saturation (HSL)98.54%
Lightness26.86%
Dominant channelGreen
Hex per channelR 01 · G 88 · B 58

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Every value on this page was computed from “hex 018858” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.