#688D6F

Closest named color: Slate Green (#658D6D). oklch(60.7% 0.061 150), rgb(104, 141, 111).

Aa

Black text reads best on this color (5.62:1).

About this color

#688D6F is a medium-dark, muted green. In OKLCH its lightness is 61%, its chroma 0.061 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.005 away. Black text reads best on it, at 5.62:1.

Hue familyGreens
Lightnessmedium-dark (61%)
Chromamuted (0.061)
Temperaturein between
Nearest nameSlate Green (#658D6D)
Black text5.62:1
White text3.73:1

Values

HEX#688D6F
RGBrgb(104, 141, 111)
HSLhsl(131, 15%, 48%)
OKLCHoklch(60.7% 0.061 150)

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 #688D6F 3.73:1 AA large text Lc -70.3 Content text, not long reading
Black text on #688D6F 5.62:1 AA Lc 39.2 Non-text elements, placeholder text
#688D6F text on white 3.73:1 AA large text Lc 64.8 Content text, not long reading
#688D6F text on black 5.62:1 AA Lc -36.8 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

    #F4F6F4

    oklch(97.1% 0.003 145.5)

  2. Step 100

    100

    #E6EBE7

    oklch(93.5% 0.008 151.9)

  3. Step 200

    200

    #D2DCD3

    oklch(88.4% 0.016 148.4)

  4. Step 300

    300

    #B4C6B7

    oklch(80.9% 0.029 150.3)

  5. Step 400

    400

    #8CA991

    oklch(70.6% 0.047 150)

  6. Step 500

    500 (this color)

    #688D6F

    oklch(60.7% 0.061 150)

  7. Step 600

    600

    #577F5F

    oklch(55.7% 0.067 150)

  8. Step 700

    700

    #476B4E

    oklch(49.2% 0.062 149.7)

  9. Step 800

    800

    #3A5740

    oklch(42.7% 0.051 150.2)

  10. Step 900

    900

    #324836

    oklch(37.7% 0.041 149.7)

  11. Step 950

    950

    #1E2A20

    oklch(27% 0.025 149.5)

Export this scale for Tailwind in the Tailwind colors tool

#688D6F 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)#8E876D0.053
Deuteranopia (no green cones)#8783710.050
Tritanopia (no blue cones)#638C850.034
Achromatopsia (no color)#8484840.062

Harmonies

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

Complementary

The opposite hue (180°).

  • #688D6F

    #688D6F

    oklch(60.7% 0.061 150)

  • #987594

    #987594

    oklch(60.7% 0.062 330.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #688D6F

    #688D6F

    oklch(60.7% 0.061 150)

  • #7D885E

    #7D885E

    oklch(60.7% 0.062 120.2)

  • #578F84

    #578F84

    oklch(60.8% 0.062 180.2)

Open the analogous palette in the generator

Split complementary

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

  • #688D6F

    #688D6F

    oklch(60.7% 0.061 150)

  • #887AA2

    #887AA2

    oklch(60.7% 0.062 300.6)

  • #A27381

    #A27381

    oklch(60.7% 0.062 359.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #688D6F

    #688D6F

    oklch(60.7% 0.061 150)

  • #7481A8

    #7481A8

    oklch(60.7% 0.061 270.2)

  • #A4756D

    #A4756D

    oklch(60.8% 0.061 29.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #688D6F

    #688D6F

    oklch(60.7% 0.061 150)

  • #6088A4

    #6088A4

    oklch(60.8% 0.062 239.6)

  • #987594

    #987594

    oklch(60.7% 0.062 330.2)

  • #9E7A5D

    #9E7A5D

    oklch(60.7% 0.061 60.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #688D6F, closest first.

Similar named colors

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

Use #688D6F 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.