#3FAE4C

Closest named color: Medium Green (#39AD48). oklch(66.6% 0.17 145.3), rgb(63, 174, 76).

Aa

Black text reads best on this color (7.37:1).

About this color

#3FAE4C is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.170 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.007 away. Black text reads best on it, at 7.37:1.

Hue familyGreens
Lightnessmedium-light (67%)
Chromavivid (0.170)
Temperaturein between
Nearest nameMedium Green (#39AD48)
Black text7.37:1
White text2.84:1

Values

HEX#3FAE4C
RGBrgb(63, 174, 76)
HSLhsl(127, 47%, 46%)
OKLCHoklch(66.6% 0.17 145.3)

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 #3FAE4C 2.84:1 Fails Lc -59.5 Large or bold text, headings
Black text on #3FAE4C 7.37:1 AAA Lc 49.8 Large or bold text, headings
#3FAE4C text on white 2.84:1 Fails Lc 54.2 Large or bold text, headings
#3FAE4C text on black 7.37:1 AAA Lc -47.6 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

    #F1F8F1

    oklch(97.2% 0.012 145.5)

  2. Step 100

    100

    #E0EEE0

    oklch(93.5% 0.024 145.4)

  3. Step 200

    200

    #C7E2C7

    oklch(88.6% 0.046 145.2)

  4. Step 300

    300

    #9FCFA0

    oklch(80.8% 0.082 145.3)

  5. Step 400

    400

    #66B66B

    oklch(70.6% 0.133 145.3)

  6. Step 500

    500 (this color)

    #3FAE4C

    oklch(66.6% 0.17 145.3)

  7. Step 600

    600

    #008C26

    oklch(55.6% 0.174 145.3)

  8. Step 700

    700

    #00761F

    oklch(49.2% 0.153 145.3)

  9. Step 800

    800

    #006118

    oklch(42.8% 0.133 145.4)

  10. Step 900

    900

    #095016

    oklch(37.7% 0.111 145.2)

  11. Step 950

    950

    #0A2F0F

    oklch(27% 0.07 145.6)

Export this scale for Tailwind in the Tailwind colors tool

#3FAE4C 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)#B19F430.129
Deuteranopia (no green cones)#A395540.129
Tritanopia (no blue cones)#23AA980.103
Achromatopsia (no color)#9999990.171

Harmonies

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

Complementary

The opposite hue (180°).

  • #3FAE4C

    #3FAE4C

    oklch(66.6% 0.17 145.3)

  • #C76ACC

    #C76ACC

    oklch(66.6% 0.17 325.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3FAE4C

    #3FAE4C

    oklch(66.6% 0.17 145.3)

  • #919E00

    #919E00

    oklch(66.6% 0.152 115.5)

  • #00AC90

    #00AC90

    oklch(66.5% 0.125 175.5)

Open the analogous palette in the generator

Split complementary

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

  • #3FAE4C

    #3FAE4C

    oklch(66.6% 0.17 145.3)

  • #9E7AEF

    #9E7AEF

    oklch(66.6% 0.17 295.6)

  • #E16098

    #E16098

    oklch(66.6% 0.17 355.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3FAE4C

    #3FAE4C

    oklch(66.6% 0.17 145.3)

  • #618DFB

    #618DFB

    oklch(66.5% 0.17 265.6)

  • #EA625C

    #EA625C

    oklch(66.6% 0.17 25.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3FAE4C

    #3FAE4C

    oklch(66.6% 0.17 145.3)

  • #00A0DE

    #00A0DE

    oklch(66.6% 0.142 235.2)

  • #C76ACC

    #C76ACC

    oklch(66.6% 0.17 325.4)

  • #DE7300

    #DE7300

    oklch(66.6% 0.165 55.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3FAE4C, closest first.

Similar named colors

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

Use #3FAE4C 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.