Nerdulator> put something in

Recognised as Colour

#128F74

  • #128F74
  • Cyan
  • Dark
  • Nearest: Sea green

#128F74 is a cyan with RGB values 18, 143, 116 and HSL 167°, 78%, 32%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Sea green.

Colour values

#128F74#128F74
HEX#128F74
RGBrgb(18, 143, 116)
RGB (0–1)0.0706, 0.5608, 0.4549
RGB percentages7.1%, 56.1%, 45.5%
HSLhsl(167, 77.6%, 31.6%)
HSV / HSBhsv(167, 87.4%, 56.1%)
CMYK87.4%, 0%, 18.9%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,216,372
CSS custom property--colour: #128F74;

Brightness & contrast

Relative luminance0.21034WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.21:1
Contrast with white4.03:1WCAG normal text: Fail
Contrast with black5.21:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#ED708B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8A8573no red cones; affects about 1% of men; ΔE 37.3 from the original
Deuteranopia#7B7A76no green cones; the most common form, about 1% of men; ΔE 38 from the original
Tritanopia#009087no blue cones; rare, and affects men and women equally; ΔE 10.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.03:1WCAG large text: AA
Contrast with black, large text5.21:1WCAG large text: AAA

Named colours

Sea green · ΔE 14.7Dark cyan · ΔE 16.4Light seagreen · ΔE 17.4Teal · ΔE 17.5Medium aquamarine · ΔE 22.9Cadetblue · ΔE 24.1
Nearest named CSS colourSea green (#2E8B57)ΔE 14.72, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F122D
Analogous#128F35, #126C8F
Triadic#74128F, #8F7412
Split complementary#8F126C, #8F3512
Tetradic#35128F, #8F122D, #6C8F12

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7EEFD6
Lighter +30%#51E9C8
Lighter +20%#24E3BA
Lighter +10%#18BC99
Darker −10%#0C624F
Darker −20%#07342B
Darker −30%#010706
Darker −40%#000000
More saturated +25%#00A17E
Less saturated −25%#267B69

Channel breakdown

R18
G143
B116
Red18 (7.1%)
Green143 (56.1%)
Blue116 (45.5%)
Hue167.04°
Saturation (HSL)77.64%
Lightness31.57%
Dominant channelGreen
Hex per channelR 12 · G 8F · B 74

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 “128f74” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.