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Recognised as Colour

#257D47

  • #257D47
  • Green
  • Dark
  • Nearest: Sea green

#257D47 is a green with RGB values 37, 125, 71 and HSL 143°, 54%, 32%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#257D47#257D47
HEX#257D47
RGBrgb(37, 125, 71)
RGB (0–1)0.1451, 0.4902, 0.2784
RGB percentages14.5%, 49%, 27.8%
HSLhsl(143.2, 54.3%, 31.8%)
HSV / HSBhsv(143.2, 70.4%, 49%)
CMYK70.4%, 0%, 43.2%, 51%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,456,903
CSS custom property--colour: #257D47;

Brightness & contrast

Relative luminance0.15515WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.12:1
Contrast with white5.12:1WCAG normal text: AA
Contrast with black4.1:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#DA82B8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7D7243no red cones; affects about 1% of men; ΔE 36.5 from the original
Deuteranopia#726B4Bno green cones; the most common form, about 1% of men; ΔE 36.4 from the original
Tritanopia#007B70no blue cones; rare, and affects men and women equally; ΔE 25.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.12:1WCAG large text: AAA
Contrast with black, large text4.1:1WCAG large text: AA

Named colours

Sea green · ΔE 5.7Medium seagreen · ΔE 21.3Dark olivegreen · ΔE 22.1Dark green · ΔE 22.7Forest green · ΔE 25.7Dark seagreen · ΔE 30.1
Nearest named CSS colourSea green (#2E8B57)ΔE 5.66, clearly different but related
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D255B
Analogous#2F7D25, #257D73
Triadic#47257D, #7D4725
Split complementary#73257D, #7D252F
Tetradic#252F7D, #7D255B, #7D7325

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#90DEAE
Lighter +30%#69D291
Lighter +20%#41C775
Lighter +10%#31A45D
Darker −10%#195631
Darker −20%#0E2E1A
Darker −30%#020704
Darker −40%#000000
More saturated +25%#119142
Less saturated −25%#39694C

Channel breakdown

R37
G125
B71
Red37 (14.5%)
Green125 (49%)
Blue71 (27.8%)
Hue143.18°
Saturation (HSL)54.32%
Lightness31.76%
Dominant channelGreen
Hex per channelR 25 · G 7D · B 47

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Every value on this page was computed from “257d47” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.