#3FAC2A

Closest named color: Kelly Green (#02AB2E). oklch(65.7% 0.192 140.8), rgb(63, 172, 42).

Aa

Black text reads best on this color (7.14:1).

About this color

#3FAC2A is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.192 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.021 away. Black text reads best on it, at 7.14:1.

Hue familyGreens
Lightnessmedium-light (66%)
Chromavivid (0.192)
Temperaturein between
Nearest nameKelly Green (#02AB2E)
Black text7.14:1
White text2.93:1

Values

HEX#3FAC2A
RGBrgb(63, 172, 42)
HSLhsl(110, 61%, 42%)
OKLCHoklch(65.7% 0.192 140.8)

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 #3FAC2A 2.93:1 Fails Lc -60.7 Content text, not long reading
Black text on #3FAC2A 7.14:1 AAA Lc 48.6 Large or bold text, headings
#3FAC2A text on white 2.93:1 Fails Lc 55.4 Large or bold text, headings
#3FAC2A text on black 7.14:1 AAA Lc -46.4 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 500.

  1. Step 50

    50

    #F1F8F0

    oklch(97.2% 0.013 141.8)

  2. Step 100

    100

    #E0EFDE

    oklch(93.6% 0.028 142)

  3. Step 200

    200

    #C7E2C2

    oklch(88.4% 0.052 140.8)

  4. Step 300

    300

    #9FD097

    oklch(80.8% 0.094 141.1)

  5. Step 400

    400

    #68B75A

    oklch(70.7% 0.15 140.7)

  6. Step 500

    500 (this color)

    #3FAC2A

    oklch(65.7% 0.192 140.8)

  7. Step 600

    600

    #208B00

    oklch(55.6% 0.182 140.8)

  8. Step 700

    700

    #1A7500

    oklch(49.1% 0.161 140.8)

  9. Step 800

    800

    #136000

    oklch(42.7% 0.14 140.8)

  10. Step 900

    900

    #0E5000

    oklch(37.6% 0.123 140.9)

  11. Step 950

    950

    #0B2F05

    oklch(26.9% 0.079 140.8)

Export this scale for Tailwind in the Tailwind colors tool

#3FAC2A 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)#B19C0E0.132
Deuteranopia (no green cones)#A393380.132
Tritanopia (no blue cones)#2DA6930.128
Achromatopsia (no color)#9797970.193

Harmonies

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

Complementary

The opposite hue (180°).

  • #3FAC2A

    #3FAC2A

    oklch(65.7% 0.192 140.8)

  • #C462D7

    #C462D7

    oklch(65.7% 0.192 320.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3FAC2A

    #3FAC2A

    oklch(65.7% 0.192 140.8)

  • #969800

    #969800

    oklch(65.6% 0.144 110.7)

  • #00AA86

    #00AA86

    oklch(65.7% 0.129 170.6)

Open the analogous palette in the generator

Split complementary

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

  • #3FAC2A

    #3FAC2A

    oklch(65.7% 0.192 140.8)

  • #9475FC

    #9475FC

    oklch(65.6% 0.193 290.7)

  • #E354A0

    #E354A0

    oklch(65.7% 0.193 350.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3FAC2A

    #3FAC2A

    oklch(65.7% 0.192 140.8)

  • #4C8DFF

    #4C8DFF

    oklch(65.8% 0.182 260.7)

  • #F0535C

    #F0535C

    oklch(65.8% 0.192 21)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3FAC2A

    #3FAC2A

    oklch(65.7% 0.192 140.8)

  • #009ED3

    #009ED3

    oklch(65.6% 0.133 231.3)

  • #C462D7

    #C462D7

    oklch(65.7% 0.192 320.9)

  • #E06B00

    #E06B00

    oklch(65.7% 0.172 50.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3FAC2A, closest first.

No curated palette has a color within ΔE 0.04 of #3FAC2A.

Similar named colors

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

Use #3FAC2A 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.