#99F8BA

Closest named color: Light Seafoam (#A0FEBF). oklch(90.4% 0.125 154.5), rgb(153, 248, 186).

Aa

Black text reads best on this color (16.49:1).

About this color

#99F8BA is a very light, moderately saturated green. In OKLCH its lightness is 90%, its chroma 0.125 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Seafoam (#A0FEBF), ΔE 0.018 away. Black text reads best on it, at 16.49:1.

Hue familyGreens
Lightnessvery light (90%)
Chromamoderately saturated (0.125)
Temperaturein between
Nearest nameLight Seafoam (#A0FEBF)
Black text16.49:1
White text1.27:1

Values

HEX#99F8BA
RGBrgb(153, 248, 186)
HSLhsl(141, 87%, 79%)
OKLCHoklch(90.4% 0.125 154.5)

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 #99F8BA 1.27:1 Fails Lc -15.5 Dividers and decoration only
Black text on #99F8BA 16.49:1 AAA Lc 90.2 Preferred for body text
#99F8BA text on white 1.27:1 Fails Lc 13.4 Not readable
#99F8BA text on black 16.49:1 AAA Lc -90.5 Preferred 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

    #EBFAEF

    oklch(97.1% 0.021 154.1)

  2. Step 100

    100

    #D3F4DC

    oklch(93.7% 0.047 153.8)

  3. Step 200

    200 (this color)

    #99F8BA

    oklch(90.4% 0.125 154.5)

  4. Step 300

    300

    #5ADE91

    oklch(80.8% 0.16 154.7)

  5. Step 400

    400

    #00BF6C

    oklch(70.6% 0.176 154.5)

  6. Step 500

    500

    #00A45C

    oklch(63.1% 0.158 154.5)

  7. Step 600

    600

    #008A4C

    oklch(55.6% 0.139 154.3)

  8. Step 700

    700

    #00743F

    oklch(49.1% 0.123 154.3)

  9. Step 800

    800

    #005F33

    oklch(42.6% 0.106 154.6)

  10. Step 900

    900

    #004F2A

    oklch(37.6% 0.093 154.9)

  11. Step 950

    950

    #003017

    oklch(27.1% 0.068 154.6)

Export this scale for Tailwind in the Tailwind colors tool

#99F8BA 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)#F8EAB60.113
Deuteranopia (no green cones)#E9E0BE0.109
Tritanopia (no blue cones)#86F6E70.062
Achromatopsia (no color)#E4E4E40.126

Harmonies

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

Complementary

The opposite hue (180°).

  • #99F8BA

    #99F8BA

    oklch(90.4% 0.125 154.5)

  • #FFCDF3

    #FFCDF3

    oklch(90.3% 0.074 334.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #99F8BA

    #99F8BA

    oklch(90.4% 0.125 154.5)

  • #CDEE90

    #CDEE90

    oklch(90.4% 0.125 124.6)

  • #6DFAE9

    #6DFAE9

    oklch(90.3% 0.125 184.5)

Open the analogous palette in the generator

Split complementary

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

  • #99F8BA

    #99F8BA

    oklch(90.4% 0.125 154.5)

  • #E8D6FF

    #E8D6FF

    oklch(90.3% 0.058 305.1)

  • #FFD2DB

    #FFD2DB

    oklch(90.5% 0.052 4.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #99F8BA

    #99F8BA

    oklch(90.4% 0.125 154.5)

  • #D5DEFF

    #D5DEFF

    oklch(90.4% 0.046 273.4)

  • #FFD4C9

    #FFD4C9

    oklch(90.4% 0.051 34.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #99F8BA

    #99F8BA

    oklch(90.4% 0.125 154.5)

  • #C4E4FF

    #C4E4FF

    oklch(90.4% 0.05 243.8)

  • #FFCDF3

    #FFCDF3

    oklch(90.3% 0.074 334.8)

  • #FFD7B2

    #FFD7B2

    oklch(90.4% 0.066 64.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99F8BA, closest first.

No curated palette has a color within ΔE 0.04 of #99F8BA.

Similar named colors

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

Use #99F8BA 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.