Nerdulator> put something in

Colour

#045A31

  • #045A31
  • Cyan
  • Dark
  • Nearest: Sea green

#045A31 is a cyan with RGB values 4, 90, 49 and HSL 151°, 91%, 18%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Sea green.

Colour values

#045A31#045A31
HEX#045A31
RGBrgb(4, 90, 49)
RGB (0–1)0.0157, 0.3529, 0.1922
RGB percentages1.6%, 35.3%, 19.2%
HSLhsl(151.4, 91.5%, 18.4%)
HSV / HSBhsv(151.4, 95.6%, 35.3%)
CMYK95.6%, 0%, 45.6%, 64.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer285,233
CSS custom property--colour: #045A31;

Brightness & contrast

Relative luminance0.0756WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.36:1
Contrast with white8.36:1WCAG normal text: AAA
Contrast with black2.51:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#FBA5CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A522Eno red cones; affects about 1% of men; ΔE 31.8 from the original
Deuteranopia#514B34no green cones; the most common form, about 1% of men; ΔE 32.4 from the original
Tritanopia#005950no blue cones; rare, and affects men and women equally; ΔE 20.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.36:1WCAG large text: AAA
Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Sea green · ΔE 19.6Dark olivegreen · ΔE 22Dark green · ΔE 26.5Teal · ΔE 30.3Dark slate grey · ΔE 30.6Dark cyan · ΔE 32.7
Nearest named CSS colourSea green (#2E8B57)ΔE 19.6, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5A042D
Analogous#045A06, #04585A
Triadic#31045A, #5A3104
Split complementary#5A0458, #5A0604
Tetradic#06045A, #5A042D, #585A04

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#34F69A
Lighter +30%#0BEC81
Lighter +20%#08BC66
Lighter +10%#068B4C
Darker −10%#022916
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005E31
Less saturated −25%#104E30

Channel breakdown

R4
G90
B49
Red4 (1.6%)
Green90 (35.3%)
Blue49 (19.2%)
Hue151.4°
Saturation (HSL)91.49%
Lightness18.43%
Dominant channelGreen
Hex per channelR 04 · G 5A · B 31

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 “045a31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.