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Recognised as Colour

#51875F

  • #51875F
  • Green
  • Dark
  • Nearest: Sea green

#51875F is a green with RGB values 81, 135, 95 and HSL 136°, 25%, 42%. 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

#51875F#51875F
HEX#51875F
RGBrgb(81, 135, 95)
RGB (0–1)0.3176, 0.5294, 0.3725
RGB percentages31.8%, 52.9%, 37.3%
HSLhsl(135.6, 25%, 42.4%)
HSV / HSBhsv(135.6, 40%, 52.9%)
CMYK40%, 0%, 29.6%, 47.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,343,071
CSS custom property--colour: #51875F;

Brightness & contrast

Relative luminance0.19903WCAG 2.x, 0 is black and 1 is white
Perceived brightness117 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.98:1
Contrast with white4.22:1WCAG normal text: Fail
Contrast with black4.98:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#AE78A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#877F5Dno red cones; affects about 1% of men; ΔE 24.8 from the original
Deuteranopia#7F7961no green cones; the most common form, about 1% of men; ΔE 25.3 from the original
Tritanopia#48857Cno blue cones; rare, and affects men and women equally; ΔE 18 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.22:1WCAG large text: AA
Contrast with black, large text4.98:1WCAG large text: AAA

Named colours

Sea green · ΔE 13.2Dark olivegreen · ΔE 19.3Dark seagreen · ΔE 20.7Teal · ΔE 24.8Dark cyan · ΔE 25.3Cadetblue · ΔE 26.3
Nearest named CSS colourSea green (#2E8B57)ΔE 13.24, a distinctly different colour
Hue familygreen
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#875179
Analogous#5E8751, #51877A
Triadic#5F5187, #875F51
Split complementary#7A5187, #87515E
Tetradic#515E87, #875179, #877A51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7DDCD
Lighter +30%#A7CAB0
Lighter +20%#87B793
Lighter +10%#67A477
Darker −10%#3E6749
Darker −20%#2B4732
Darker −30%#18271C
Darker −40%#040705
More saturated +25%#36A252
Less saturated −25%#6C6C6C

Channel breakdown

R81
G135
B95
Red81 (31.8%)
Green135 (52.9%)
Blue95 (37.3%)
Hue135.56°
Saturation (HSL)25%
Lightness42.35%
Dominant channelGreen
Hex per channelR 51 · G 87 · B 5F

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Every value on this page was computed from “51875f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.