#669B5E

Closest named color: Moss (#769958). oklch(63.6% 0.105 141.2), rgb(102, 155, 94).

Aa

Black text reads best on this color (6.41:1).

About this color

#669B5E is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.105 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Moss (#769958), ΔE 0.018 away. Black text reads best on it, at 6.41:1.

Hue familyGreens
Lightnessmedium-light (64%)
Chromamoderately saturated (0.105)
Temperaturein between
Nearest nameMoss (#769958)
Black text6.41:1
White text3.27:1

Values

HEX#669B5E
RGBrgb(102, 155, 94)
HSLhsl(112, 24%, 49%)
OKLCHoklch(63.6% 0.105 141.2)

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 #669B5E 3.27:1 AA large text Lc -65.4 Content text, not long reading
Black text on #669B5E 6.41:1 AA Lc 44.1 Non-text elements, placeholder text
#669B5E text on white 3.27:1 AA large text Lc 60.0 Large or bold text, headings
#669B5E text on black 6.41:1 AA Lc -41.8 Non-text elements, placeholder text

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 500.

  1. Step 50

    50

    #F3F7F2

    oklch(97.2% 0.008 139.4)

  2. Step 100

    100

    #E5ECE3

    oklch(93.5% 0.014 138.7)

  3. Step 200

    200

    #CFDECD

    oklch(88.5% 0.028 142)

  4. Step 300

    300

    #AFC9AB

    oklch(80.8% 0.05 141.4)

  5. Step 400

    400

    #84AE7E

    oklch(70.7% 0.082 141.5)

  6. Step 500

    500 (this color)

    #669B5E

    oklch(63.6% 0.105 141.2)

  7. Step 600

    600

    #4A8442

    oklch(55.7% 0.115 141.4)

  8. Step 700

    700

    #3B6F34

    oklch(49% 0.106 141.4)

  9. Step 800

    800

    #315B2B

    oklch(42.8% 0.089 141.3)

  10. Step 900

    900

    #2C4B27

    oklch(37.8% 0.07 141)

  11. Step 950

    950

    #1A2C17

    oklch(27.1% 0.045 140.9)

Export this scale for Tailwind in the Tailwind colors tool

#669B5E 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)#9E915A0.076
Deuteranopia (no green cones)#968C620.076
Tritanopia (no blue cones)#62978C0.069
Achromatopsia (no color)#8E8E8E0.105

Harmonies

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

Complementary

The opposite hue (180°).

  • #669B5E

    #669B5E

    oklch(63.6% 0.105 141.2)

  • #A875B2

    #A875B2

    oklch(63.6% 0.106 320.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #669B5E

    #669B5E

    oklch(63.6% 0.105 141.2)

  • #8E9140

    #8E9140

    oklch(63.7% 0.105 111)

  • #37A083

    #37A083

    oklch(63.8% 0.106 171.1)

Open the analogous palette in the generator

Split complementary

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

  • #669B5E

    #669B5E

    oklch(63.6% 0.105 141.2)

  • #8C7FC6

    #8C7FC6

    oklch(63.7% 0.105 291.5)

  • #BB7093

    #BB7093

    oklch(63.7% 0.104 351)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #669B5E

    #669B5E

    oklch(63.6% 0.105 141.2)

  • #678BCB

    #678BCB

    oklch(63.7% 0.105 261.4)

  • #C3706F

    #C3706F

    oklch(63.7% 0.105 21.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #669B5E

    #669B5E

    oklch(63.6% 0.105 141.2)

  • #3B96BF

    #3B96BF

    oklch(63.6% 0.105 231.2)

  • #A875B2

    #A875B2

    oklch(63.6% 0.106 320.8)

  • #BD784D

    #BD784D

    oklch(63.7% 0.104 51.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #669B5E, closest first.

Similar named colors

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

Use #669B5E 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.