#1B420F

Closest named color: Forrest Green (#154406). oklch(33.8% 0.09 139.3), rgb(27, 66, 15).

Aa

White text reads best on this color (11.45:1).

About this color

#1B420F is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.090 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forrest Green (#154406), ΔE 0.013 away. White text reads best on it, at 11.45:1.

Hue familyGreens
Lightnessdark (34%)
Chromamoderately saturated (0.090)
Temperaturein between
Nearest nameForrest Green (#154406)
Black text1.83:1
White text11.45:1

Values

HEX#1B420F
RGBrgb(27, 66, 15)
HSLhsl(106, 63%, 16%)
OKLCHoklch(33.8% 0.09 139.3)

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 #1B420F 11.45:1 AAA Lc -99.9 Preferred for body text
Black text on #1B420F 1.83:1 Fails Lc 7.7 Not readable
#1B420F text on white 11.45:1 AAA Lc 96.2 Preferred for body text
#1B420F text on black 1.83:1 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 900.

  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

    #ABCCA2

    oklch(81% 0.068 139)

  5. Step 400

    400

    #7DB16F

    oklch(70.7% 0.108 139.2)

  6. Step 500

    500

    #5A9D47

    oklch(63.1% 0.138 139.2)

  7. Step 600

    600

    #3D8726

    oklch(55.6% 0.151 139.3)

  8. Step 700

    700

    #2F7218

    oklch(49% 0.139 139.2)

  9. Step 800

    800

    #285D17

    oklch(42.6% 0.116 139.2)

  10. Step 900

    900 (this color)

    #1B420F

    oklch(33.8% 0.09 139.3)

  11. Step 950

    950

    #172D10

    oklch(27% 0.058 138.6)

Export this scale for Tailwind in the Tailwind colors tool

#1B420F 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)#443C080.059
Deuteranopia (no green cones)#3F38140.061
Tritanopia (no blue cones)#1740380.061
Achromatopsia (no color)#3A3A3A0.091

Harmonies

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

Complementary

The opposite hue (180°).

  • #1B420F

    #1B420F

    oklch(33.8% 0.09 139.3)

  • #4B2654

    #4B2654

    oklch(33.9% 0.089 319.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1B420F

    #1B420F

    oklch(33.8% 0.09 139.3)

  • #3B3A00

    #3B3A00

    oklch(33.8% 0.073 108.7)

  • #004232

    #004232

    oklch(33.7% 0.067 170.2)

Open the analogous palette in the generator

Split complementary

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

  • #1B420F

    #1B420F

    oklch(33.8% 0.09 139.3)

  • #372D62

    #372D62

    oklch(33.7% 0.09 289.3)

  • #58203F

    #58203F

    oklch(33.8% 0.091 348.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1B420F

    #1B420F

    oklch(33.8% 0.09 139.3)

  • #183665

    #183665

    oklch(33.7% 0.09 259.1)

  • #5E2024

    #5E2024

    oklch(33.9% 0.091 19.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1B420F

    #1B420F

    oklch(33.8% 0.09 139.3)

  • #003D53

    #003D53

    oklch(33.7% 0.067 230)

  • #4B2654

    #4B2654

    oklch(33.9% 0.089 319.5)

  • #5B2600

    #5B2600

    oklch(33.9% 0.09 49.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B420F, closest first.

Similar named colors

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

Use #1B420F 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.