#648F5C

Closest named color: Slate Green (#658D6D). oklch(60.5% 0.089 140.6), rgb(100, 143, 92).

Aa

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

About this color

#648F5C is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.089 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.026 away. Black text reads best on it, at 5.62:1.

Hue familyGreens
Lightnessmedium-dark (61%)
Chromamoderately saturated (0.089)
Temperaturein between
Nearest nameSlate Green (#658D6D)
Black text5.62:1
White text3.73:1

Values

HEX#648F5C
RGBrgb(100, 143, 92)
HSLhsl(111, 22%, 46%)
OKLCHoklch(60.5% 0.089 140.6)

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 #648F5C 3.73:1 AA large text Lc -70.3 Content text, not long reading
Black text on #648F5C 5.62:1 AA Lc 39.3 Non-text elements, placeholder text
#648F5C text on white 3.73:1 AA large text Lc 64.8 Content text, not long reading
#648F5C 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

    #F3F6F3

    oklch(97% 0.005 145.5)

  2. Step 100

    100

    #E5ECE4

    oklch(93.6% 0.013 141.8)

  3. Step 200

    200

    #D1DDCE

    oklch(88.4% 0.024 139.4)

  4. Step 300

    300

    #B2C8AE

    oklch(80.9% 0.043 140.8)

  5. Step 400

    400

    #89AC83

    oklch(70.7% 0.07 141)

  6. Step 500

    500 (this color)

    #648F5C

    oklch(60.5% 0.089 140.6)

  7. Step 600

    600

    #53814A

    oklch(55.6% 0.096 140.4)

  8. Step 700

    700

    #436D3B

    oklch(49.1% 0.09 140.5)

  9. Step 800

    800

    #385931

    oklch(42.7% 0.074 140.1)

  10. Step 900

    900

    #30492C

    oklch(37.6% 0.057 141.1)

  11. Step 950

    950

    #1C2B1A

    oklch(27% 0.037 141.6)

Export this scale for Tailwind in the Tailwind colors tool

#648F5C 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)#9287590.064
Deuteranopia (no green cones)#8B835F0.062
Tritanopia (no blue cones)#618C820.058
Achromatopsia (no color)#8484840.089

Harmonies

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

Complementary

The opposite hue (180°).

  • #648F5C

    #648F5C

    oklch(60.5% 0.089 140.6)

  • #9A70A2

    #9A70A2

    oklch(60.5% 0.088 321)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #648F5C

    #648F5C

    oklch(60.5% 0.089 140.6)

  • #848745

    #848745

    oklch(60.6% 0.089 111.1)

  • #42937A

    #42937A

    oklch(60.5% 0.089 170.4)

Open the analogous palette in the generator

Split complementary

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

  • #648F5C

    #648F5C

    oklch(60.5% 0.089 140.6)

  • #8178B3

    #8178B3

    oklch(60.4% 0.089 290.5)

  • #AA6B89

    #AA6B89

    oklch(60.5% 0.089 350.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #648F5C

    #648F5C

    oklch(60.5% 0.089 140.6)

  • #6382B7

    #6382B7

    oklch(60.5% 0.089 260.8)

  • #B16C6B

    #B16C6B

    oklch(60.6% 0.089 20.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #648F5C

    #648F5C

    oklch(60.5% 0.089 140.6)

  • #428BAD

    #428BAD

    oklch(60.4% 0.089 230.9)

  • #9A70A2

    #9A70A2

    oklch(60.5% 0.088 321)

  • #AC7250

    #AC7250

    oklch(60.5% 0.088 50.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #648F5C, closest first.

Similar named colors

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

Use #648F5C 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.