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Recognised as Colour

#008F51

  • #008F51
  • Cyan
  • Dark
  • Nearest: Sea green

#008F51 is a cyan with RGB values 0, 143, 81 and HSL 154°, 100%, 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

#008F51#008F51
HEX#008F51
RGBrgb(0, 143, 81)
RGB (0–1)0, 0.5608, 0.3176
RGB percentages0%, 56.1%, 31.8%
HSLhsl(154, 100%, 28%)
HSV / HSBhsv(154, 100%, 56.1%)
CMYK100%, 0%, 43.4%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer36,689
CSS custom property--colour: #008F51;

Brightness & contrast

Relative luminance0.20239WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.05:1
Contrast with white4.16:1WCAG normal text: Fail
Contrast with black5.05:1WCAG normal text: AA
Greyscale equivalent#6C6C6C
Inverted#FF70AE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8E824Dno red cones; affects about 1% of men; ΔE 44.9 from the original
Deuteranopia#807855no green cones; the most common form, about 1% of men; ΔE 45.2 from the original
Tritanopia#008D80no blue cones; rare, and affects men and women equally; ΔE 29.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.16:1WCAG large text: AA
Contrast with black, large text5.05:1WCAG large text: AAA

Named colours

Sea green · ΔE 8.9Medium seagreen · ΔE 13.2Forest green · ΔE 21.1Dark green · ΔE 24.3Green · ΔE 26.9Medium aquamarine · ΔE 29.8
Nearest named CSS colourSea green (#2E8B57)ΔE 8.89, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F003E
Analogous#008F09, #00868F
Triadic#51008F, #8F5100
Split complementary#8F0086, #8F0900
Tetradic#09008F, #8F003E, #868F00

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5CFFB8
Lighter +30%#29FFA2
Lighter +20%#00F58B
Lighter +10%#00C26E
Darker −10%#005C34
Darker −20%#002917
Darker −30%#000000
Darker −40%#000000
More saturated +25%#008F51
Less saturated −25%#127D4F

Channel breakdown

R0
G143
B81
Red0 (0%)
Green143 (56.1%)
Blue81 (31.8%)
Hue153.99°
Saturation (HSL)100%
Lightness28.04%
Dominant channelGreen
Hex per channelR 00 · G 8F · B 51

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Every value on this page was computed from “008f51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.