#21670B

Closest named color: Dark Green (#006400). oklch(45.2% 0.139 140), rgb(33, 103, 11).

Aa

White text reads best on this color (6.97:1).

About this color

#21670B is a medium-dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.139 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.020 away. White text reads best on it, at 6.97:1.

Hue familyGreens
Lightnessmedium-dark (45%)
Chromamoderately saturated (0.139)
Temperaturein between
Nearest nameDark Green (#006400)
Black text3.00:1
White text6.97:1

Values

HEX#21670B
RGBrgb(33, 103, 11)
HSLhsl(106, 81%, 22%)
OKLCHoklch(45.2% 0.139 140)

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 #21670B 6.97:1 AA Lc -88.7 Fine for body text
Black text on #21670B 3.00:1 AA large text Lc 20.3 Dividers and decoration only
#21670B text on white 6.97:1 AA Lc 83.7 Fine for body text
#21670B text on black 3.00:1 AA large text Lc -18.2 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

    #F2F7F0

    oklch(97% 0.011 136.6)

  2. Step 100

    100

    #E2EEDF

    oklch(93.6% 0.024 139.4)

  3. Step 200

    200

    #CAE1C5

    oklch(88.5% 0.045 140.1)

  4. Step 300

    300

    #A5CE9C

    oklch(80.9% 0.081 140)

  5. Step 400

    400

    #73B465

    oklch(70.7% 0.129 140.1)

  6. Step 500

    500

    #4BA036

    oklch(63% 0.165 139.9)

  7. Step 600

    600

    #288A00

    oklch(55.5% 0.179 140)

  8. Step 700

    700

    #217400

    oklch(49% 0.157 139.9)

  9. Step 800

    800 (this color)

    #21670B

    oklch(45.2% 0.139 140)

  10. Step 900

    900

    #1C4E0E

    oklch(37.6% 0.107 139.8)

  11. Step 950

    950

    #122E0B

    oklch(27% 0.068 139.8)

Export this scale for Tailwind in the Tailwind colors tool

#21670B 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)#6A5D000.093
Deuteranopia (no green cones)#6257180.093
Tritanopia (no blue cones)#1663570.094
Achromatopsia (no color)#5959590.139

Harmonies

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

Complementary

The opposite hue (180°).

  • #21670B

    #21670B

    oklch(45.2% 0.139 140)

  • #763685

    #763685

    oklch(45.1% 0.139 319.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #21670B

    #21670B

    oklch(45.2% 0.139 140)

  • #5A5A00

    #5A5A00

    oklch(45.3% 0.099 109.8)

  • #00654E

    #00654E

    oklch(45.1% 0.089 170.2)

Open the analogous palette in the generator

Split complementary

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

  • #21670B

    #21670B

    oklch(45.2% 0.139 140)

  • #57439C

    #57439C

    oklch(45.2% 0.139 290)

  • #8B2D61

    #8B2D61

    oklch(45.3% 0.139 349.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #21670B

    #21670B

    oklch(45.2% 0.139 140)

  • #2252A1

    #2252A1

    oklch(45.2% 0.138 259.9)

  • #932B34

    #932B34

    oklch(45.1% 0.139 19.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #21670B

    #21670B

    oklch(45.2% 0.139 140)

  • #005E7E

    #005E7E

    oklch(45.1% 0.09 230.3)

  • #763685

    #763685

    oklch(45.1% 0.139 319.7)

  • #883D00

    #883D00

    oklch(45.2% 0.12 50)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21670B, closest first.

Similar named colors

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

Use #21670B 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.