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Recognised as Colour

#15904B

  • #15904B
  • Green
  • Dark
  • Nearest: Sea green

#15904B is a green with RGB values 21, 144, 75 and HSL 146°, 75%, 32%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#15904B#15904B
HEX#15904B
RGBrgb(21, 144, 75)
RGB (0–1)0.0824, 0.5647, 0.2941
RGB percentages8.2%, 56.5%, 29.4%
HSLhsl(146.3, 74.5%, 32.4%)
HSV / HSBhsv(146.3, 85.4%, 56.5%)
CMYK85.4%, 0%, 47.9%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,413,195
CSS custom property--colour: #15904B;

Brightness & contrast

Relative luminance0.20614WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.12:1
Contrast with white4.1:1WCAG normal text: Fail
Contrast with black5.12:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#EA6FB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#908346no red cones; affects about 1% of men; ΔE 44.6 from the original
Deuteranopia#837A50no green cones; the most common form, about 1% of men; ΔE 44.7 from the original
Tritanopia#008E80no blue cones; rare, and affects men and women equally; ΔE 32 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.1:1WCAG large text: AA
Contrast with black, large text5.12:1WCAG large text: AAA

Named colours

Sea green · ΔE 11.2Medium seagreen · ΔE 13.2Forest green · ΔE 17.4Dark green · ΔE 21.9Green · ΔE 23.3Olivedrab · ΔE 29.3
Nearest named CSS colourSea green (#2E8B57)ΔE 11.18, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#90155A
Analogous#1C9015, #159089
Triadic#4B1590, #904B15
Split complementary#891590, #90151C
Tetradic#151C90, #90155A, #908915

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#84EDB2
Lighter +30%#57E796
Lighter +20%#2BE07A
Lighter +10%#1BBD62
Darker −10%#0F6334
Darker −20%#08371D
Darker −30%#020A05
Darker −40%#000000
More saturated +25%#00A548
Less saturated −25%#2A7B4E

Channel breakdown

R21
G144
B75
Red21 (8.2%)
Green144 (56.5%)
Blue75 (29.4%)
Hue146.34°
Saturation (HSL)74.55%
Lightness32.35%
Dominant channelGreen
Hex per channelR 15 · G 90 · B 4B

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Every value on this page was computed from “15904b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.