#81E299

Closest named color: Hospital Green (#9BE5AA). oklch(83.4% 0.138 150.5), rgb(129, 226, 153).

Aa

Black text reads best on this color (13.27:1).

About this color

#81E299 is a light, moderately saturated green. In OKLCH its lightness is 83%, its chroma 0.138 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.037 away. Black text reads best on it, at 13.27:1.

Hue familyGreens
Lightnesslight (83%)
Chromamoderately saturated (0.138)
Temperaturein between
Nearest nameHospital Green (#9BE5AA)
Black text13.27:1
White text1.58:1

Values

HEX#81E299
RGBrgb(129, 226, 153)
HSLhsl(135, 63%, 70%)
OKLCHoklch(83.4% 0.138 150.5)

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 #81E299 1.58:1 Fails Lc -29.7 Dividers and decoration only
Black text on #81E299 13.27:1 AAA Lc 77.5 Fine for body text
#81E299 text on white 1.58:1 Fails Lc 26.3 Dividers and decoration only
#81E299 text on black 13.27:1 AAA Lc -76.8 Fine for body 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 300.

  1. Step 50

    50

    #EDF9EF

    oklch(97% 0.018 150.6)

  2. Step 100

    100

    #D8F2DC

    oklch(93.6% 0.04 149.8)

  3. Step 200

    200

    #B5E8BF

    oklch(88.5% 0.077 150.5)

  4. Step 300

    300 (this color)

    #81E299

    oklch(83.4% 0.138 150.5)

  5. Step 400

    400

    #00C05B

    oklch(70.6% 0.193 150.4)

  6. Step 500

    500

    #00A54D

    oklch(63.1% 0.172 150.4)

  7. Step 600

    600

    #008B40

    oklch(55.7% 0.152 150.4)

  8. Step 700

    700

    #007535

    oklch(49.2% 0.134 150.5)

  9. Step 800

    800

    #00602A

    oklch(42.8% 0.117 150.4)

  10. Step 900

    900

    #005022

    oklch(37.7% 0.103 150.5)

  11. Step 950

    950

    #003012

    oklch(27% 0.073 150.7)

Export this scale for Tailwind in the Tailwind colors tool

#81E299 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)#E3D3940.117
Deuteranopia (no green cones)#D5CA9D0.114
Tritanopia (no blue cones)#6FDFCF0.075
Achromatopsia (no color)#CDCDCD0.139

Harmonies

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

Complementary

The opposite hue (180°).

  • #81E299

    #81E299

    oklch(83.4% 0.138 150.5)

  • #FCA7F3

    #FCA7F3

    oklch(83.5% 0.138 330.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #81E299

    #81E299

    oklch(83.4% 0.138 150.5)

  • #BCD66A

    #BCD66A

    oklch(83.4% 0.138 120.7)

  • #3DE6CD

    #3DE6CD

    oklch(83.5% 0.138 180.4)

Open the analogous palette in the generator

Split complementary

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

  • #81E299

    #81E299

    oklch(83.4% 0.138 150.5)

  • #D3BAFF

    #D3BAFF

    oklch(83.4% 0.098 300.9)

  • #FFAEC5

    #FFAEC5

    oklch(83.5% 0.099 0.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #81E299

    #81E299

    oklch(83.4% 0.138 150.5)

  • #B4C7FF

    #B4C7FF

    oklch(83.5% 0.082 270)

  • #FFB3A5

    #FFB3A5

    oklch(83.5% 0.092 30.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #81E299

    #81E299

    oklch(83.4% 0.138 150.5)

  • #91D1FF

    #91D1FF

    oklch(83.4% 0.092 240.5)

  • #FCA7F3

    #FCA7F3

    oklch(83.5% 0.138 330.5)

  • #FFB77A

    #FFB77A

    oklch(83.4% 0.114 60.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #81E299, closest first.

No curated palette has a color within ΔE 0.04 of #81E299.

Similar named colors

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

Use #81E299 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.