Greeny Blue #42B395

Greeny Blue is a medium-light, moderately saturated teal or cyan with hex code #42B395 and RGB rgb(66, 179, 149).

Aa

Black text reads best on this color (8.11:1).

About this color

#42B395 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.112 and its hue 172°. Its hue sits on the cool side of the wheel. It is the named color Greeny Blue. Black text reads best on it, at 8.11:1.

Hue familyTeals and cyans
Lightnessmedium-light (69%)
Chromamoderately saturated (0.112)
Temperaturecool
Nearest nameGreeny Blue
Black text8.11:1
White text2.58:1

Colors that go with Greeny Blue

Matches found by rotating Greeny Blue around the OKLCH hue wheel, each labelled with the closest name in our list.

Complementary

The opposite hue (180°).

Open the complementary palette in the generator

Color palettes with Greeny Blue

Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Greeny Blue, closest first.

Similar named colors

The eight named colors closest to Greeny Blue, with their ΔE distance.

More about Greeny Blue

How to make Greeny Blue

A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.

  • 2 parts blue
  • 2 parts white
  • 1 part yellow

Recipe result: #5CA98C, a difference of ΔE 0.030 from Greeny Blue. That is close; add a little more of one paint to match.

What colors make green? | Color mixing chart

Codes for Greeny Blue in every format

HEX#42B395
RGBrgb(66, 179, 149)
HSLhsl(164, 46%, 48%)
OKLCHoklch(69.4% 0.112 172.2)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #42B395 2.58:1 Fails Lc -55.4 Large or bold text, headings
Black text on #42B395 8.11:1 AAA Lc 53.7 Large or bold text, headings
#42B395 text on white 2.58:1 Fails Lc 50.3 Large or bold text, headings
#42B395 text on black 8.11:1 AAA Lc -51.7 Large or bold text, headings

Shades and tints of Greeny Blue

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.

  1. Step 50

    50

    #F0F8F5

    oklch(97.2% 0.009 171.8)

  2. Step 100

    100

    #DDEEE8

    oklch(93.5% 0.02 172.8)

  3. Step 200

    200

    #C0E2D6

    oklch(88.5% 0.039 172)

  4. Step 300

    300

    #92D0BC

    oklch(81% 0.07 172.4)

  5. Step 400

    400 (this color)

    #42B395

    oklch(69.4% 0.112 172.2)

  6. Step 500

    500

    #00A181

    oklch(63.2% 0.122 172)

  7. Step 600

    600

    #00876C

    oklch(55.5% 0.108 172.1)

  8. Step 700

    700

    #00725B

    oklch(49.2% 0.095 172.3)

  9. Step 800

    800

    #005D4A

    oklch(42.6% 0.082 172.5)

  10. Step 900

    900

    #004E3D

    oklch(37.8% 0.073 171.8)

  11. Step 950

    950

    #002E24

    oklch(26.9% 0.051 173.7)

Export this scale for Tailwind in the Tailwind colors tool

Greeny Blue with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#AEA8940.116
Deuteranopia (no green cones)#9D9C970.110
Tritanopia (no blue cones)#00B5AA0.032
Achromatopsia (no color)#A1A1A10.112

Use Greeny Blue in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.