#21570C

Closest named color: Deep Green (#02590F). oklch(40.5% 0.118 138.9), rgb(33, 87, 12).

Aa

White text reads best on this color (8.63:1).

About this color

#21570C is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.118 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.016 away. White text reads best on it, at 8.63:1.

Hue familyGreens
Lightnessdark (40%)
Chromamoderately saturated (0.118)
Temperaturein between
Nearest nameDeep Green (#02590F)
Black text2.43:1
White text8.63:1

Values

HEX#21570C
RGBrgb(33, 87, 12)
HSLhsl(103, 76%, 19%)
OKLCHoklch(40.5% 0.118 138.9)

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 #21570C 8.63:1 AAA Lc -93.8 Preferred for body text
Black text on #21570C 2.43:1 Fails Lc 14.7 Not readable
#21570C text on white 8.63:1 AAA Lc 89.3 Fine for body text
#21570C text on black 2.43:1 Fails Lc -12.9 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 800.

  1. Step 50

    50

    #F2F7F1

    oklch(97.1% 0.01 140.5)

  2. Step 100

    100

    #E3EDE1

    oklch(93.5% 0.019 140.5)

  3. Step 200

    200

    #CDE0C8

    oklch(88.6% 0.038 139.2)

  4. Step 300

    300

    #AACCA1

    oklch(80.9% 0.07 139.2)

  5. Step 400

    400

    #7CB16D

    oklch(70.6% 0.111 138.9)

  6. Step 500

    500

    #599D45

    oklch(63.1% 0.141 139)

  7. Step 600

    600

    #3D8723

    oklch(55.5% 0.153 138.9)

  8. Step 700

    700

    #2E7314

    oklch(49.2% 0.143 139)

  9. Step 800

    800 (this color)

    #21570C

    oklch(40.5% 0.118 138.9)

  10. Step 900

    900

    #254D19

    oklch(37.8% 0.092 139.1)

  11. Step 950

    950

    #162D10

    oklch(27% 0.058 139.5)

Export this scale for Tailwind in the Tailwind colors tool

#21570C 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)#5A4E000.078
Deuteranopia (no green cones)#534A150.078
Tritanopia (no blue cones)#1B54490.080
Achromatopsia (no color)#4C4C4C0.119

Harmonies

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

Complementary

The opposite hue (180°).

  • #21570C

    #21570C

    oklch(40.5% 0.118 138.9)

  • #633071

    #633071

    oklch(40.5% 0.118 318.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #21570C

    #21570C

    oklch(40.5% 0.118 138.9)

  • #4D4C00

    #4D4C00

    oklch(40.4% 0.088 108.9)

  • #005741

    #005741

    oklch(40.6% 0.082 168.4)

Open the analogous palette in the generator

Split complementary

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

  • #21570C

    #21570C

    oklch(40.5% 0.118 138.9)

  • #493A84

    #493A84

    oklch(40.5% 0.119 289.3)

  • #752853

    #752853

    oklch(40.5% 0.119 349.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #21570C

    #21570C

    oklch(40.5% 0.118 138.9)

  • #1C4787

    #1C4787

    oklch(40.5% 0.117 258.5)

  • #7C272F

    #7C272F

    oklch(40.5% 0.118 18.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #21570C

    #21570C

    oklch(40.5% 0.118 138.9)

  • #00506B

    #00506B

    oklch(40.4% 0.08 229.4)

  • #633071

    #633071

    oklch(40.5% 0.118 318.6)

  • #763200

    #763200

    oklch(40.5% 0.109 48.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #21570C, closest first.

Similar named colors

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

Use #21570C 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.