#197A18

Closest named color: Tree Green (#2A7E19). oklch(50.7% 0.157 142.7), rgb(25, 122, 24).

Aa

White text reads best on this color (5.47:1).

About this color

#197A18 is a medium-dark, vivid green. In OKLCH its lightness is 51%, its chroma 0.157 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.017 away. White text reads best on it, at 5.47:1.

Hue familyGreens
Lightnessmedium-dark (51%)
Chromavivid (0.157)
Temperaturein between
Nearest nameTree Green (#2A7E19)
Black text3.83:1
White text5.47:1

Values

HEX#197A18
RGBrgb(25, 122, 24)
HSLhsl(119, 67%, 29%)
OKLCHoklch(50.7% 0.157 142.7)

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 #197A18 5.47:1 AA Lc -82.1 Fine for body text
Black text on #197A18 3.83:1 AA large text Lc 27.3 Dividers and decoration only
#197A18 text on white 5.47:1 AA Lc 76.8 Fine for body text
#197A18 text on black 3.83:1 AA large text Lc -25.0 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

    #CAE1C7

    oklch(88.6% 0.043 142)

  4. Step 300

    300

    #A4CEA1

    oklch(80.9% 0.077 143.1)

  5. Step 400

    400

    #71B46D

    oklch(70.7% 0.122 142.9)

  6. Step 500

    500

    #48A043

    oklch(63% 0.155 142.5)

  7. Step 600

    600

    #228A20

    oklch(55.5% 0.169 142.7)

  8. Step 700

    700 (this color)

    #197A18

    oklch(50.7% 0.157 142.7)

  9. Step 800

    800

    #146013

    oklch(42.8% 0.131 142.7)

  10. Step 900

    900

    #1A4E18

    oklch(37.6% 0.101 142.7)

  11. Step 950

    950

    #112E0F

    oklch(27% 0.064 142.4)

Export this scale for Tailwind in the Tailwind colors tool

#197A18 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)#7D6E010.111
Deuteranopia (no green cones)#7266230.112
Tritanopia (no blue cones)#0076680.102
Achromatopsia (no color)#6969690.158

Harmonies

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

Complementary

The opposite hue (180°).

  • #197A18

    #197A18

    oklch(50.7% 0.157 142.7)

  • #8E3F98

    #8E3F98

    oklch(50.7% 0.157 323)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #197A18

    #197A18

    oklch(50.7% 0.157 142.7)

  • #666B00

    #666B00

    oklch(50.6% 0.113 113)

  • #00775F

    #00775F

    oklch(50.7% 0.098 172.2)

Open the analogous palette in the generator

Split complementary

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

  • #197A18

    #197A18

    oklch(50.7% 0.157 142.7)

  • #6B4EB5

    #6B4EB5

    oklch(50.7% 0.157 293)

  • #A4346D

    #A4346D

    oklch(50.6% 0.157 352.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #197A18

    #197A18

    oklch(50.7% 0.157 142.7)

  • #315FBE

    #315FBE

    oklch(50.7% 0.158 262.7)

  • #AD3438

    #AD3438

    oklch(50.7% 0.157 23)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #197A18

    #197A18

    oklch(50.7% 0.157 142.7)

  • #006E96

    #006E96

    oklch(50.6% 0.104 232.5)

  • #8E3F98

    #8E3F98

    oklch(50.7% 0.157 323)

  • #9C4B00

    #9C4B00

    oklch(50.6% 0.129 52.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #197A18, closest first.

No curated palette has a color within ΔE 0.04 of #197A18.

Similar named colors

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

Use #197A18 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.