#1F7D1B

Closest named color: Tree Green (#2A7E19). oklch(51.7% 0.157 142.4), rgb(31, 125, 27).

Aa

White text reads best on this color (5.24:1).

About this color

#1F7D1B is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.157 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.007 away. White text reads best on it, at 5.24:1.

Hue familyGreens
Lightnessmedium-dark (52%)
Chromavivid (0.157)
Temperaturein between
Nearest nameTree Green (#2A7E19)
Black text4.00:1
White text5.24:1

Values

HEX#1F7D1B
RGBrgb(31, 125, 27)
HSLhsl(118, 64%, 30%)
OKLCHoklch(51.7% 0.157 142.4)

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 #1F7D1B 5.24:1 AA Lc -80.9 Fine for body text
Black text on #1F7D1B 4.00:1 AA large text Lc 28.5 Dividers and decoration only
#1F7D1B text on white 5.24:1 AA Lc 75.5 Fine for body text
#1F7D1B text on black 4.00:1 AA large text Lc -26.2 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

    #E2EEE0

    oklch(93.6% 0.023 141.2)

  3. Step 200

    200

    #CAE1C7

    oklch(88.6% 0.043 142)

  4. Step 300

    300

    #A5CEA0

    oklch(81% 0.077 142)

  5. Step 400

    400

    #72B46C

    oklch(70.8% 0.122 142.3)

  6. Step 500

    500

    #48A043

    oklch(63% 0.155 142.5)

  7. Step 600

    600

    #238A1F

    oklch(55.5% 0.169 142.5)

  8. Step 700

    700 (this color)

    #1F7D1B

    oklch(51.7% 0.157 142.4)

  9. Step 800

    800

    #156012

    oklch(42.8% 0.131 142.4)

  10. Step 900

    900

    #1A4E17

    oklch(37.6% 0.102 142.4)

  11. Step 950

    950

    #112E0F

    oklch(27% 0.064 142.4)

Export this scale for Tailwind in the Tailwind colors tool

#1F7D1B 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)#8071050.110
Deuteranopia (no green cones)#7569260.111
Tritanopia (no blue cones)#00796A0.101
Achromatopsia (no color)#6C6C6C0.158

Harmonies

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

Complementary

The opposite hue (180°).

  • #1F7D1B

    #1F7D1B

    oklch(51.7% 0.157 142.4)

  • #91429C

    #91429C

    oklch(51.7% 0.158 322.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1F7D1B

    #1F7D1B

    oklch(51.7% 0.157 142.4)

  • #6A6E00

    #6A6E00

    oklch(51.7% 0.115 112.3)

  • #007A62

    #007A62

    oklch(51.6% 0.099 172.7)

Open the analogous palette in the generator

Split complementary

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

  • #1F7D1B

    #1F7D1B

    oklch(51.7% 0.157 142.4)

  • #6D51B9

    #6D51B9

    oklch(51.7% 0.157 292.4)

  • #A73771

    #A73771

    oklch(51.6% 0.158 352.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1F7D1B

    #1F7D1B

    oklch(51.7% 0.157 142.4)

  • #3362C1

    #3362C1

    oklch(51.6% 0.158 262.5)

  • #B0373C

    #B0373C

    oklch(51.6% 0.157 22.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1F7D1B

    #1F7D1B

    oklch(51.7% 0.157 142.4)

  • #00719A

    #00719A

    oklch(51.6% 0.106 232.5)

  • #91429C

    #91429C

    oklch(51.7% 0.158 322.6)

  • #A14D00

    #A14D00

    oklch(51.7% 0.133 52.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F7D1B, closest first.

No curated palette has a color within ΔE 0.04 of #1F7D1B.

Similar named colors

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

Use #1F7D1B 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.