#066818

Closest named color: Dark Green (#006400). oklch(45% 0.14 144.6), rgb(6, 104, 24).

Aa

White text reads best on this color (6.99:1).

About this color

#066818 is a medium-dark, vivid green. In OKLCH its lightness is 45%, its chroma 0.140 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.017 away. White text reads best on it, at 6.99:1.

Hue familyGreens
Lightnessmedium-dark (45%)
Chromavivid (0.140)
Temperaturein between
Nearest nameDark Green (#006400)
Black text3.00:1
White text6.99:1

Values

HEX#066818
RGBrgb(6, 104, 24)
HSLhsl(131, 89%, 22%)
OKLCHoklch(45% 0.14 144.6)

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 #066818 6.99:1 AA Lc -88.6 Fine for body text
Black text on #066818 3.00:1 AA large text Lc 20.4 Dividers and decoration only
#066818 text on white 6.99:1 AA Lc 83.6 Fine for body text
#066818 text on black 3.00:1 AA large text Lc -18.3 Dividers and decoration only

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 800.

  1. Step 50

    50

    #F1F7F1

    oklch(97% 0.01 145.5)

  2. Step 100

    100

    #E1EEE0

    oklch(93.6% 0.023 143.4)

  3. Step 200

    200

    #C7E2C7

    oklch(88.6% 0.046 145.2)

  4. Step 300

    300

    #A0CFA0

    oklch(80.9% 0.082 144.8)

  5. Step 400

    400

    #69B66B

    oklch(70.8% 0.132 144.6)

  6. Step 500

    500

    #38A241

    oklch(63% 0.167 144.6)

  7. Step 600

    600

    #008C20

    oklch(55.6% 0.177 144.6)

  8. Step 700

    700

    #007619

    oklch(49.1% 0.157 144.5)

  9. Step 800

    800 (this color)

    #066818

    oklch(45% 0.14 144.6)

  10. Step 900

    900

    #0E5016

    oklch(37.8% 0.11 144.6)

  11. Step 950

    950

    #0C2F0E

    oklch(27.1% 0.07 144.3)

Export this scale for Tailwind in the Tailwind colors tool

#066818 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)#6A5D0A0.103
Deuteranopia (no green cones)#6056200.103
Tritanopia (no blue cones)#0065580.087
Achromatopsia (no color)#5959590.141

Harmonies

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

Complementary

The opposite hue (180°).

  • #066818

    #066818

    oklch(45% 0.14 144.6)

  • #7A3380

    #7A3380

    oklch(45% 0.141 324.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #066818

    #066818

    oklch(45% 0.14 144.6)

  • #555B00

    #555B00

    oklch(45% 0.101 114.1)

  • #006452

    #006452

    oklch(44.9% 0.085 174.7)

Open the analogous palette in the generator

Split complementary

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

  • #066818

    #066818

    oklch(45% 0.14 144.6)

  • #5C409A

    #5C409A

    oklch(45% 0.141 294.4)

  • #8D2A5A

    #8D2A5A

    oklch(45% 0.141 354.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #066818

    #066818

    oklch(45% 0.14 144.6)

  • #2D4FA2

    #2D4FA2

    oklch(45% 0.14 264.6)

  • #942B2B

    #942B2B

    oklch(45.1% 0.141 24.8)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #066818

    #066818

    oklch(45% 0.14 144.6)

  • #005D82

    #005D82

    oklch(45.1% 0.095 234.4)

  • #7A3380

    #7A3380

    oklch(45% 0.141 324.5)

  • #834100

    #834100

    oklch(45.1% 0.112 54.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #066818, closest first.

Similar named colors

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

Use #066818 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.