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Recognised as Colour

#228C58

  • #228C58
  • Cyan
  • Dark
  • Nearest: Sea green

#228C58 is a cyan with RGB values 34, 140, 88 and HSL 151°, 61%, 34%. 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

#228C58#228C58
HEX#228C58
RGBrgb(34, 140, 88)
RGB (0–1)0.1333, 0.549, 0.3451
RGB percentages13.3%, 54.9%, 34.5%
HSLhsl(150.6, 60.9%, 34.1%)
HSV / HSBhsv(150.6, 75.7%, 54.9%)
CMYK75.7%, 0%, 37.1%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,264,152
CSS custom property--colour: #228C58;

Brightness & contrast

Relative luminance0.19801WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.96:1
Contrast with white4.23:1WCAG normal text: Fail
Contrast with black4.96:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#DD73A7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8B8155no red cones; affects about 1% of men; ΔE 39.4 from the original
Deuteranopia#7E775Bno green cones; the most common form, about 1% of men; ΔE 40.1 from the original
Tritanopia#008B7Fno blue cones; rare, and affects men and women equally; ΔE 23.4 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 text4.96:1WCAG large text: AAA

Named colours

Sea green · ΔE 2.3Medium seagreen · ΔE 15.7Forest green · ΔE 26.6Medium aquamarine · ΔE 26.8Dark green · ΔE 27.1Dark olivegreen · ΔE 27.3
Nearest named CSS colourSea green (#2E8B57)ΔE 2.34, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C2256
Analogous#228C23, #228B8C
Triadic#58228C, #8C5822
Split complementary#8C228B, #8C2322
Tetradic#23228C, #8C2256, #8B8C22

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#95E5BE
Lighter +30%#6CDBA5
Lighter +20%#43D18B
Lighter +10%#2CB572
Darker −10%#18633E
Darker −20%#0E3A24
Darker −30%#04110B
Darker −40%#000000
More saturated +25%#0CA258
Less saturated −25%#387658

Channel breakdown

R34
G140
B88
Red34 (13.3%)
Green140 (54.9%)
Blue88 (34.5%)
Hue150.57°
Saturation (HSL)60.92%
Lightness34.12%
Dominant channelGreen
Hex per channelR 22 · G 8C · B 58

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Every value on this page was computed from “228c58” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.