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Colour

#008A57

  • #008A57
  • Cyan
  • Dark
  • Nearest: Sea green

#008A57 is a cyan with RGB values 0, 138, 87 and HSL 158°, 100%, 27%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#008A57#008A57
HEX#008A57
RGBrgb(0, 138, 87)
RGB (0–1)0, 0.5412, 0.3412
RGB percentages0%, 54.1%, 34.1%
HSLhsl(157.8, 100%, 27.1%)
HSV / HSBhsv(157.8, 100%, 54.1%)
CMYK100%, 0%, 37%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer35,415
CSS custom property--colour: #008A57;

Brightness & contrast

Relative luminance0.18865WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.77:1
Contrast with white4.4:1WCAG normal text: Fail
Contrast with black4.77:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#FF75A8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#887E54no red cones; affects about 1% of men; ΔE 42.2 from the original
Deuteranopia#7B745Ano green cones; the most common form, about 1% of men; ΔE 42.9 from the original
Tritanopia#00897Dno blue cones; rare, and affects men and women equally; ΔE 23.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.4:1WCAG large text: AA
Contrast with black, large text4.77:1WCAG large text: AAA

Named colours

Sea green · ΔE 5.1Medium seagreen · ΔE 16.2Forest green · ΔE 26.9Dark green · ΔE 27.4Medium aquamarine · ΔE 27.9Dark olivegreen · ΔE 29.6
Nearest named CSS colourSea green (#2E8B57)ΔE 5.13, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8A0033
Analogous#008A12, #00788A
Triadic#57008A, #8A5700
Split complementary#8A0078, #8A1200
Tetradic#12008A, #8A0033, #788A00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#57FFC1
Lighter +30%#24FFAE
Lighter +20%#00F097
Lighter +10%#00BD77
Darker −10%#005737
Darker −20%#002417
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008A57
Less saturated −25%#117953

Channel breakdown

R0
G138
B87
Red0 (0%)
Green138 (54.1%)
Blue87 (34.1%)
Hue157.83°
Saturation (HSL)100%
Lightness27.06%
Dominant channelGreen
Hex per channelR 00 · G 8A · B 57

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Every value on this page was computed from “008a57” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.