#1B7E28

Closest named color: Tree Green (#2A7E19). oklch(52% 0.151 144.7), rgb(27, 126, 40).

Aa

White text reads best on this color (5.17:1).

About this color

#1B7E28 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.151 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.012 away. White text reads best on it, at 5.17:1.

Hue familyGreens
Lightnessmedium-dark (52%)
Chromavivid (0.151)
Temperaturein between
Nearest nameTree Green (#2A7E19)
Black text4.06:1
White text5.17:1

Values

HEX#1B7E28
RGBrgb(27, 126, 40)
HSLhsl(128, 65%, 30%)
OKLCHoklch(52% 0.151 144.7)

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 #1B7E28 5.17:1 AA Lc -80.5 Fine for body text
Black text on #1B7E28 4.06:1 AA large text Lc 29.0 Dividers and decoration only
#1B7E28 text on white 5.17:1 AA Lc 75.1 Fine for body text
#1B7E28 text on black 4.06:1 AA large text Lc -26.6 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 700.

  1. Step 50

    50

    #F2F7F1

    oklch(97.1% 0.01 140.5)

  2. Step 100

    100

    #E2EEE1

    oklch(93.7% 0.021 143.2)

  3. Step 200

    200

    #C9E1C9

    oklch(88.5% 0.041 145.2)

  4. Step 300

    300

    #A4CEA4

    oklch(81% 0.073 144.9)

  5. Step 400

    400

    #70B472

    oklch(70.8% 0.117 144.9)

  6. Step 500

    500

    #45A04B

    oklch(63% 0.15 144.7)

  7. Step 600

    600

    #1D8A2C

    oklch(55.5% 0.162 144.7)

  8. Step 700

    700 (this color)

    #1B7E28

    oklch(52% 0.151 144.7)

  9. Step 800

    800

    #11601C

    oklch(42.8% 0.125 144.8)

  10. Step 900

    900

    #184E1D

    oklch(37.6% 0.097 144.9)

  11. Step 950

    950

    #102E12

    oklch(27% 0.062 144.9)

Export this scale for Tailwind in the Tailwind colors tool

#1B7E28 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)#80721D0.111
Deuteranopia (no green cones)#756A300.112
Tritanopia (no blue cones)#007B6C0.093
Achromatopsia (no color)#6D6D6D0.152

Harmonies

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

Complementary

The opposite hue (180°).

  • #1B7E28

    #1B7E28

    oklch(52% 0.151 144.7)

  • #924498

    #924498

    oklch(51.9% 0.151 324.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1B7E28

    #1B7E28

    oklch(52% 0.151 144.7)

  • #687000

    #687000

    oklch(52% 0.118 114.6)

  • #007B65

    #007B65

    oklch(52% 0.099 174.4)

Open the analogous palette in the generator

Split complementary

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

  • #1B7E28

    #1B7E28

    oklch(52% 0.151 144.7)

  • #7152B5

    #7152B5

    oklch(52% 0.151 295.1)

  • #A73B6E

    #A73B6E

    oklch(51.9% 0.151 354.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1B7E28

    #1B7E28

    oklch(52% 0.151 144.7)

  • #3C63BF

    #3C63BF

    oklch(52.1% 0.151 264.5)

  • #AF3C3A

    #AF3C3A

    oklch(52% 0.151 24.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1B7E28

    #1B7E28

    oklch(52% 0.151 144.7)

  • #00729E

    #00729E

    oklch(52% 0.109 234.2)

  • #924498

    #924498

    oklch(51.9% 0.151 324.7)

  • #A05000

    #A05000

    oklch(52% 0.13 54.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1B7E28, closest first.

No curated palette has a color within ΔE 0.04 of #1B7E28.

Similar named colors

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

Use #1B7E28 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.