#28A604

Closest named color: Kelly Green (#02AB2E). oklch(63.3% 0.207 141), rgb(40, 166, 4).

Aa

Black text reads best on this color (6.54:1).

About this color

#28A604 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.207 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 0.019 away. Black text reads best on it, at 6.54:1.

Hue familyGreens
Lightnessmedium-light (63%)
Chromavivid (0.207)
Temperaturein between
Nearest nameKelly Green (#02AB2E)
Black text6.54:1
White text3.20:1

Values

HEX#28A604
RGBrgb(40, 166, 4)
HSLhsl(107, 95%, 33%)
OKLCHoklch(63.3% 0.207 141)

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 #28A604 3.20:1 AA large text Lc -64.1 Content text, not long reading
Black text on #28A604 6.54:1 AA Lc 45.4 Large or bold text, headings
#28A604 text on white 3.20:1 AA large text Lc 58.7 Large or bold text, headings
#28A604 text on black 6.54:1 AA Lc -43.1 Non-text elements, placeholder text

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

    #F1F8EF

    oklch(97.1% 0.014 138.7)

  2. Step 100

    100

    #E0EFDD

    oklch(93.6% 0.029 140.5)

  3. Step 200

    200

    #C6E3C0

    oklch(88.5% 0.056 140.3)

  4. Step 300

    300

    #9CD194

    oklch(80.8% 0.1 141.3)

  5. Step 400

    400

    #62B954

    oklch(70.8% 0.162 141)

  6. Step 500

    500 (this color)

    #28A604

    oklch(63.3% 0.207 141)

  7. Step 600

    600

    #1F8B00

    oklch(55.6% 0.182 140.9)

  8. Step 700

    700

    #187500

    oklch(49.1% 0.161 141)

  9. Step 800

    800

    #126000

    oklch(42.7% 0.14 141)

  10. Step 900

    900

    #0D5000

    oklch(37.6% 0.124 141)

  11. Step 950

    950

    #073002

    oklch(27.1% 0.086 141.1)

Export this scale for Tailwind in the Tailwind colors tool

#28A604 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)#AA95000.143
Deuteranopia (no green cones)#9D8C240.141
Tritanopia (no blue cones)#00A08C0.137
Achromatopsia (no color)#9090900.208

Harmonies

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

Complementary

The opposite hue (180°).

  • #28A604

    #28A604

    oklch(63.3% 0.207 141)

  • #C055D4

    #C055D4

    oklch(63.4% 0.206 321.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28A604

    #28A604

    oklch(63.3% 0.207 141)

  • #8E9100

    #8E9100

    oklch(63.3% 0.139 111.2)

  • #00A280

    #00A280

    oklch(63.4% 0.124 170.9)

Open the analogous palette in the generator

Split complementary

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

  • #28A604

    #28A604

    oklch(63.3% 0.207 141)

  • #8F6AFB

    #8F6AFB

    oklch(63.4% 0.207 291.1)

  • #DF4499

    #DF4499

    oklch(63.2% 0.206 350.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28A604

    #28A604

    oklch(63.3% 0.207 141)

  • #3E83FF

    #3E83FF

    oklch(63.2% 0.198 261)

  • #ED4250

    #ED4250

    oklch(63.3% 0.207 21.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28A604

    #28A604

    oklch(63.3% 0.207 141)

  • #0097C9

    #0097C9

    oklch(63.4% 0.128 230.9)

  • #C055D4

    #C055D4

    oklch(63.4% 0.206 321.1)

  • #D56600

    #D56600

    oklch(63.3% 0.165 51.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28A604, closest first.

No curated palette has a color within ΔE 0.04 of #28A604.

Similar named colors

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

Use #28A604 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.