#101809

Closest named color: Almost Black (#070D0D). oklch(19.6% 0.031 131.6), rgb(16, 24, 9).

Aa

White text reads best on this color (18.15:1).

About this color

#101809 is a very dark, muted green. In OKLCH its lightness is 20%, its chroma 0.031 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.052 away. White text reads best on it, at 18.15:1.

Hue familyGreens
Lightnessvery dark (20%)
Chromamuted (0.031)
Temperaturein between
Nearest nameAlmost Black (#070D0D)
Black text1.15:1
White text18.15:1

Values

HEX#101809
RGBrgb(16, 24, 9)
HSLhsl(92, 45%, 6%)
OKLCHoklch(19.6% 0.031 131.6)

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 #101809 18.15:1 AAA Lc -107.0 Preferred for body text
Black text on #101809 1.15:1 Fails Lc 0.0 Not readable
#101809 text on white 18.15:1 AAA Lc 104.8 Preferred for body text
#101809 text on black 1.15:1 Fails Lc 0.0 Not readable

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 950.

  1. Step 50

    50

    #F4F6F3

    oklch(97.1% 0.004 134.8)

  2. Step 100

    100

    #E7EBE4

    oklch(93.5% 0.01 131.4)

  3. Step 200

    200

    #D4DCCE

    oklch(88.4% 0.021 131.5)

  4. Step 300

    300

    #B8C6AE

    oklch(80.9% 0.036 132.1)

  5. Step 400

    400

    #94A983

    oklch(70.8% 0.059 131.4)

  6. Step 500

    500

    #799364

    oklch(63.1% 0.074 131.8)

  7. Step 600

    600

    #627D4A

    oklch(55.5% 0.081 131.3)

  8. Step 700

    700

    #516A3B

    oklch(49.2% 0.076 131.5)

  9. Step 800

    800

    #425631

    oklch(42.6% 0.063 131.7)

  10. Step 900

    900

    #38472C

    oklch(37.7% 0.048 132)

  11. Step 950

    950 (this color)

    #101809

    oklch(19.6% 0.031 131.6)

Export this scale for Tailwind in the Tailwind colors tool

#101809 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)#1916080.017
Deuteranopia (no green cones)#18150A0.019
Tritanopia (no blue cones)#1017140.022
Achromatopsia (no color)#1616160.031

Harmonies

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

Complementary

The opposite hue (180°).

  • #101809

    #101809

    oklch(19.6% 0.031 131.6)

  • #1A111F

    #1A111F

    oklch(19.6% 0.03 313)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #101809

    #101809

    oklch(19.6% 0.031 131.6)

  • #181605

    #181605

    oklch(19.7% 0.031 103)

  • #071911

    #071911

    oklch(19.5% 0.029 163.1)

Open the analogous palette in the generator

Split complementary

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

  • #101809

    #101809

    oklch(19.6% 0.031 131.6)

  • #131323

    #131323

    oklch(19.6% 0.032 283)

  • #1F0F19

    #1F0F19

    oklch(19.6% 0.032 342.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #101809

    #101809

    oklch(19.6% 0.031 131.6)

  • #0A1623

    #0A1623

    oklch(19.6% 0.032 251.5)

  • #210F11

    #210F11

    oklch(19.6% 0.031 13.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #101809

    #101809

    oklch(19.6% 0.031 131.6)

  • #03181F

    #03181F

    oklch(19.5% 0.031 222)

  • #1A111F

    #1A111F

    oklch(19.6% 0.03 313)

  • #21100A

    #21100A

    oklch(19.6% 0.031 40.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #101809, closest first.

Similar named colors

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

Use #101809 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.