Nerdulator> put something in

Recognised as Colour

#40B585

  • #40B585
  • Cyan
  • Dark
  • Nearest: Medium seagreen

#40B585 is a cyan with RGB values 64, 181, 133 and HSL 155°, 48%, 48%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Medium seagreen.

Colour values

#40B585#40B585
HEX#40B585
RGBrgb(64, 181, 133)
RGB (0–1)0.251, 0.7098, 0.5216
RGB percentages25.1%, 71%, 52.2%
HSLhsl(155.4, 47.8%, 48%)
HSV / HSBhsv(155.4, 64.6%, 71%)
CMYK64.6%, 0%, 26.5%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,240,773
CSS custom property--colour: #40B585;

Brightness & contrast

Relative luminance0.35831WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.17:1
Contrast with white2.57:1WCAG normal text: Fail
Contrast with black8.17:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#BF4A7A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B2A882no red cones; affects about 1% of men; ΔE 42.1 from the original
Deuteranopia#A29D88no green cones; the most common form, about 1% of men; ΔE 42.4 from the original
Tritanopia#00B5A8no blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.57:1WCAG large text: Fail
Contrast with black, large text8.17:1WCAG large text: AAA

Named colours

Medium seagreen · ΔE 10.2Medium aquamarine · ΔE 12.9Sea green · ΔE 16.3Dark seagreen · ΔE 21.3Light seagreen · ΔE 22.4Turquoise · ΔE 24.2
Nearest named CSS colourMedium seagreen (#3CB371)ΔE 10.19, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B54070
Analogous#40B54A, #40ABB5
Triadic#8540B5, #B58540
Split complementary#B540AB, #B54A40
Tetradic#4A40B5, #B54070, #ABB540

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2EFE3
Lighter +30%#ACE2CC
Lighter +20%#87D4B4
Lighter +10%#61C79D
Darker −10%#338F69
Darker −20%#256A4E
Darker −30%#184432
Darker −40%#0B1E16
More saturated +25%#21D48A
Less saturated −25%#5F9680

Channel breakdown

R64
G181
B133
Red64 (25.1%)
Green181 (71%)
Blue133 (52.2%)
Hue155.38°
Saturation (HSL)47.76%
Lightness48.04%
Dominant channelGreen
Hex per channelR 40 · G B5 · B 85

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “40b585” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.