#99EFBA

Closest named color: Hospital Green (#9BE5AA). oklch(88.3% 0.112 156.2), rgb(153, 239, 186).

Aa

Black text reads best on this color (15.41:1).

About this color

#99EFBA is a light, moderately saturated green. In OKLCH its lightness is 88%, its chroma 0.112 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.028 away. Black text reads best on it, at 15.41:1.

Hue familyGreens
Lightnesslight (88%)
Chromamoderately saturated (0.112)
Temperaturein between
Nearest nameHospital Green (#9BE5AA)
Black text15.41:1
White text1.36:1

Values

HEX#99EFBA
RGBrgb(153, 239, 186)
HSLhsl(143, 73%, 77%)
OKLCHoklch(88.3% 0.112 156.2)

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 #99EFBA 1.36:1 Fails Lc -20.2 Dividers and decoration only
Black text on #99EFBA 15.41:1 AAA Lc 86.0 Fine for body text
#99EFBA text on white 1.36:1 Fails Lc 17.6 Dividers and decoration only
#99EFBA text on black 15.41:1 AAA Lc -85.9 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 200.

  1. Step 50

    50

    #ECFAF0

    oklch(97.2% 0.02 154.9)

  2. Step 100

    100

    #D5F3DF

    oklch(93.7% 0.041 156.3)

  3. Step 200

    200 (this color)

    #99EFBA

    oklch(88.3% 0.112 156.2)

  4. Step 300

    300

    #67DC99

    oklch(80.9% 0.144 156)

  5. Step 400

    400

    #00BF72

    oklch(70.8% 0.171 156.2)

  6. Step 500

    500

    #00A461

    oklch(63.2% 0.153 156.1)

  7. Step 600

    600

    #008A51

    oklch(55.7% 0.135 156.2)

  8. Step 700

    700

    #007443

    oklch(49.1% 0.119 156.1)

  9. Step 800

    800

    #005F36

    oklch(42.7% 0.103 156.1)

  10. Step 900

    900

    #004F2C

    oklch(37.6% 0.091 156.1)

  11. Step 950

    950

    #002F18

    oklch(26.8% 0.065 156.1)

Export this scale for Tailwind in the Tailwind colors tool

#99EFBA 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)#EEE2B70.103
Deuteranopia (no green cones)#E0D9BD0.099
Tritanopia (no blue cones)#88EEE00.053
Achromatopsia (no color)#DDDDDD0.113

Harmonies

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

Complementary

The opposite hue (180°).

  • #99EFBA

    #99EFBA

    oklch(88.3% 0.112 156.2)

  • #FFC3EF

    #FFC3EF

    oklch(88.4% 0.088 336.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #99EFBA

    #99EFBA

    oklch(88.3% 0.112 156.2)

  • #C6E695

    #C6E695

    oklch(88.3% 0.111 126.1)

  • #77F1E4

    #77F1E4

    oklch(88.4% 0.112 186.2)

Open the analogous palette in the generator

Split complementary

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

  • #99EFBA

    #99EFBA

    oklch(88.3% 0.112 156.2)

  • #E4CDFF

    #E4CDFF

    oklch(88.3% 0.072 305.8)

  • #FFC8D2

    #FFC8D2

    oklch(88.4% 0.064 6.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #99EFBA

    #99EFBA

    oklch(88.3% 0.112 156.2)

  • #CED6FF

    #CED6FF

    oklch(88.3% 0.057 276.5)

  • #FFCBBC

    #FFCBBC

    oklch(88.4% 0.063 36.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #99EFBA

    #99EFBA

    oklch(88.3% 0.112 156.2)

  • #B9DDFF

    #B9DDFF

    oklch(88.3% 0.061 247)

  • #FFC3EF

    #FFC3EF

    oklch(88.4% 0.088 336.2)

  • #FFCE9E

    #FFCE9E

    oklch(88.3% 0.083 65.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99EFBA, closest first.

Similar named colors

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

Use #99EFBA 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.