#66BB8A

Closest named color: Faded Green (#7BB274). oklch(72.5% 0.11 156.9), rgb(102, 187, 138).

Aa

Black text reads best on this color (9.04:1).

About this color

#66BB8A is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.110 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Faded Green (#7BB274), ΔE 0.033 away. Black text reads best on it, at 9.04:1.

Hue familyGreens
Lightnessmedium-light (72%)
Chromamoderately saturated (0.110)
Temperaturein between
Nearest nameFaded Green (#7BB274)
Black text9.04:1
White text2.32:1

Values

HEX#66BB8A
RGBrgb(102, 187, 138)
HSLhsl(145, 38%, 57%)
OKLCHoklch(72.5% 0.11 156.9)

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 #66BB8A 2.32:1 Fails Lc -50.5 Large or bold text, headings
Black text on #66BB8A 9.04:1 AAA Lc 58.3 Large or bold text, headings
#66BB8A text on white 2.32:1 Fails Lc 45.6 Large or bold text, headings
#66BB8A text on black 9.04:1 AAA Lc -56.4 Large or bold text, headings

Tints and shades

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

    #F1F7F3

    oklch(97.1% 0.008 157.1)

  2. Step 100

    100

    #E0EEE5

    oklch(93.6% 0.019 157.9)

  3. Step 200

    200

    #C5E1CF

    oklch(88.4% 0.038 157.3)

  4. Step 300

    300

    #9CCFAF

    oklch(81% 0.07 156.9)

  5. Step 400

    400 (this color)

    #66BB8A

    oklch(72.5% 0.11 156.9)

  6. Step 500

    500

    #21A266

    oklch(63.1% 0.141 157)

  7. Step 600

    600

    #008A52

    oklch(55.7% 0.134 156.6)

  8. Step 700

    700

    #007445

    oklch(49.2% 0.117 157)

  9. Step 800

    800

    #005F37

    oklch(42.7% 0.102 156.7)

  10. Step 900

    900

    #004F2D

    oklch(37.6% 0.09 156.8)

  11. Step 950

    950

    #062F1A

    oklch(27.1% 0.059 156.1)

Export this scale for Tailwind in the Tailwind colors tool

#66BB8A 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)#BAAF870.102
Deuteranopia (no green cones)#ADA68D0.099
Tritanopia (no blue cones)#51BAAE0.052
Achromatopsia (no color)#AAAAAA0.111

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #66BB8A

    #66BB8A

    oklch(72.5% 0.11 156.9)

  • #D28BBF

    #D28BBF

    oklch(72.5% 0.109 337)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #66BB8A

    #66BB8A

    oklch(72.5% 0.11 156.9)

  • #94B365

    #94B365

    oklch(72.5% 0.11 126.7)

  • #3DBCB2

    #3DBCB2

    oklch(72.4% 0.11 187.5)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #66BB8A

    #66BB8A

    oklch(72.5% 0.11 156.9)

  • #B893DC

    #B893DC

    oklch(72.4% 0.11 307)

  • #E1889A

    #E1889A

    oklch(72.5% 0.11 7.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #66BB8A

    #66BB8A

    oklch(72.5% 0.11 156.9)

  • #949FEB

    #949FEB

    oklch(72.4% 0.111 276.9)

  • #E28D74

    #E28D74

    oklch(72.6% 0.11 37.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #66BB8A

    #66BB8A

    oklch(72.5% 0.11 156.9)

  • #6AACE8

    #6AACE8

    oklch(72.5% 0.111 247.4)

  • #D28BBF

    #D28BBF

    oklch(72.5% 0.109 337)

  • #D59856

    #D59856

    oklch(72.6% 0.111 66.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #66BB8A, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #66BB8A 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.