#3FBE2B

Closest named color: Frog Green (#58BC08). oklch(70.5% 0.212 141.2), rgb(63, 190, 43).

Aa

Black text reads best on this color (8.61:1).

About this color

#3FBE2B is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.212 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Frog Green (#58BC08), ΔE 0.017 away. Black text reads best on it, at 8.61:1.

Hue familyGreens
Lightnessmedium-light (70%)
Chromavivid (0.212)
Temperaturein between
Nearest nameFrog Green (#58BC08)
Black text8.61:1
White text2.43:1

Values

HEX#3FBE2B
RGBrgb(63, 190, 43)
HSLhsl(112, 63%, 46%)
OKLCHoklch(70.5% 0.212 141.2)

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 #3FBE2B 2.43:1 Fails Lc -52.5 Large or bold text, headings
Black text on #3FBE2B 8.61:1 AAA Lc 56.5 Large or bold text, headings
#3FBE2B text on white 2.43:1 Fails Lc 47.5 Large or bold text, headings
#3FBE2B text on black 8.61:1 AAA Lc -54.5 Large or bold text, headings

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 400.

  1. Step 50

    50

    #EFF9EE

    oklch(97.2% 0.018 142.8)

  2. Step 100

    100

    #DCF1D9

    oklch(93.6% 0.039 141.7)

  3. Step 200

    200

    #BFE6B9

    oklch(88.5% 0.073 141.4)

  4. Step 300

    300

    #8FD684

    oklch(80.9% 0.133 141.1)

  5. Step 400

    400 (this color)

    #3FBE2B

    oklch(70.5% 0.212 141.2)

  6. Step 500

    500

    #22A600

    oklch(63.2% 0.209 141.3)

  7. Step 600

    600

    #1B8B00

    oklch(55.5% 0.183 141.2)

  8. Step 700

    700

    #157500

    oklch(49% 0.162 141.2)

  9. Step 800

    800

    #0F6000

    oklch(42.6% 0.141 141.3)

  10. Step 900

    900

    #0B5000

    oklch(37.6% 0.124 141.3)

  11. Step 950

    950

    #043000

    oklch(26.9% 0.089 141.3)

Export this scale for Tailwind in the Tailwind colors tool

#3FBE2B 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)#C3AC010.146
Deuteranopia (no green cones)#B4A23C0.146
Tritanopia (no blue cones)#25B8A20.139
Achromatopsia (no color)#A6A6A60.213

Harmonies

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

Complementary

The opposite hue (180°).

  • #3FBE2B

    #3FBE2B

    oklch(70.5% 0.212 141.2)

  • #D96AEE

    #D96AEE

    oklch(70.5% 0.212 321)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3FBE2B

    #3FBE2B

    oklch(70.5% 0.212 141.2)

  • #A4A800

    #A4A800

    oklch(70.5% 0.155 111.5)

  • #00BB95

    #00BB95

    oklch(70.5% 0.138 171.3)

Open the analogous palette in the generator

Split complementary

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

  • #3FBE2B

    #3FBE2B

    oklch(70.5% 0.212 141.2)

  • #A289FF

    #A289FF

    oklch(70.4% 0.168 291.2)

  • #FB5AAF

    #FB5AAF

    oklch(70.4% 0.212 351.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3FBE2B

    #3FBE2B

    oklch(70.5% 0.212 141.2)

  • #689EFF

    #689EFF

    oklch(70.5% 0.154 261.3)

  • #FF666B

    #FF666B

    oklch(70.5% 0.187 21.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3FBE2B

    #3FBE2B

    oklch(70.5% 0.212 141.2)

  • #00AEE8

    #00AEE8

    oklch(70.4% 0.143 231.3)

  • #D96AEE

    #D96AEE

    oklch(70.5% 0.212 321)

  • #F57700

    #F57700

    oklch(70.4% 0.183 51.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3FBE2B, closest first.

No curated palette has a color within ΔE 0.04 of #3FBE2B.

Similar named colors

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

Use #3FBE2B 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.