#1B4D0F

Closest named color: Bottle Green (#044A05). oklch(37.2% 0.106 140.2), rgb(27, 77, 15).

Aa

White text reads best on this color (9.92:1).

About this color

#1B4D0F is a dark, moderately saturated green. In OKLCH its lightness is 37%, its chroma 0.106 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bottle Green (#044A05), ΔE 0.020 away. White text reads best on it, at 9.92:1.

Hue familyGreens
Lightnessdark (37%)
Chromamoderately saturated (0.106)
Temperaturein between
Nearest nameBottle Green (#044A05)
Black text2.11:1
White text9.92:1

Values

HEX#1B4D0F
RGBrgb(27, 77, 15)
HSLhsl(108, 67%, 18%)
OKLCHoklch(37.2% 0.106 140.2)

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 #1B4D0F 9.92:1 AAA Lc -96.9 Preferred for body text
Black text on #1B4D0F 2.11:1 Fails Lc 11.2 Not readable
#1B4D0F text on white 9.92:1 AAA Lc 92.7 Preferred for body text
#1B4D0F text on black 2.11:1 Fails Lc -9.7 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

    #E2EEE0

    oklch(93.6% 0.023 141.2)

  3. Step 200

    200

    #CAE1C5

    oklch(88.5% 0.045 140.1)

  4. Step 300

    300

    #A6CE9D

    oklch(81% 0.08 139.9)

  5. Step 400

    400

    #74B466

    oklch(70.8% 0.127 140)

  6. Step 500

    500

    #4BA039

    oklch(63.1% 0.162 140.3)

  7. Step 600

    600

    #298A08

    oklch(55.5% 0.176 140.2)

  8. Step 700

    700

    #1F7500

    oklch(49.2% 0.159 140.2)

  9. Step 800

    800

    #195F03

    oklch(42.6% 0.135 140.2)

  10. Step 900

    900 (this color)

    #1B4D0F

    oklch(37.2% 0.106 140.2)

  11. Step 950

    950

    #122E0C

    oklch(27% 0.067 140.3)

Export this scale for Tailwind in the Tailwind colors tool

#1B4D0F 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)#4F45050.071
Deuteranopia (no green cones)#4941150.072
Tritanopia (no blue cones)#144A410.071
Achromatopsia (no color)#4343430.106

Harmonies

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

Complementary

The opposite hue (180°).

  • #1B4D0F

    #1B4D0F

    oklch(37.2% 0.106 140.2)

  • #582A62

    #582A62

    oklch(37.2% 0.106 320.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1B4D0F

    #1B4D0F

    oklch(37.2% 0.106 140.2)

  • #434400

    #434400

    oklch(37.3% 0.082 110.7)

  • #004C3A

    #004C3A

    oklch(37.1% 0.073 170.2)

Open the analogous palette in the generator

Split complementary

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

  • #1B4D0F

    #1B4D0F

    oklch(37.2% 0.106 140.2)

  • #413373

    #413373

    oklch(37.1% 0.106 290.4)

  • #672448

    #672448

    oklch(37.2% 0.105 350.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1B4D0F

    #1B4D0F

    oklch(37.2% 0.106 140.2)

  • #1C3E77

    #1C3E77

    oklch(37.2% 0.105 260.1)

  • #6E2328

    #6E2328

    oklch(37.3% 0.106 20.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1B4D0F

    #1B4D0F

    oklch(37.2% 0.106 140.2)

  • #004760

    #004760

    oklch(37.3% 0.074 230.1)

  • #582A62

    #582A62

    oklch(37.2% 0.106 320.2)

  • #682D00

    #682D00

    oklch(37.3% 0.099 50)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B4D0F, closest first.

Similar named colors

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

Use #1B4D0F 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.