#99EF9D

Closest named color: Light Green (#90EE90). oklch(87.7% 0.139 145.3), rgb(153, 239, 157).

Aa

Black text reads best on this color (15.18:1).

About this color

#99EF9D is a light, moderately saturated green. In OKLCH its lightness is 88%, its chroma 0.139 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Green (#90EE90), ΔE 0.019 away. Black text reads best on it, at 15.18:1.

Hue familyGreens
Lightnesslight (88%)
Chromamoderately saturated (0.139)
Temperaturein between
Nearest nameLight Green (#90EE90)
Black text15.18:1
White text1.38:1

Values

HEX#99EF9D
RGBrgb(153, 239, 157)
HSLhsl(123, 73%, 77%)
OKLCHoklch(87.7% 0.139 145.3)

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 #99EF9D 1.38:1 Fails Lc -21.1 Dividers and decoration only
Black text on #99EF9D 15.18:1 AAA Lc 85.2 Fine for body text
#99EF9D text on white 1.38:1 Fails Lc 18.5 Dividers and decoration only
#99EF9D text on black 15.18:1 AAA Lc -85.0 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

    #ECFAEC

    oklch(97.1% 0.024 145.4)

  2. Step 100

    100

    #D5F4D5

    oklch(93.6% 0.053 145.1)

  3. Step 200

    200 (this color)

    #99EF9D

    oklch(87.7% 0.139 145.3)

  4. Step 300

    300

    #6ADE74

    oklch(80.9% 0.179 145.4)

  5. Step 400

    400

    #00C239

    oklch(70.8% 0.22 145.4)

  6. Step 500

    500

    #00A62F

    oklch(63% 0.197 145.3)

  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

    #005112

    oklch(37.8% 0.118 145.3)

  11. Step 950

    950

    #003007

    oklch(26.9% 0.084 145.2)

Export this scale for Tailwind in the Tailwind colors tool

#99EF9D 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)#F2E0980.110
Deuteranopia (no green cones)#E5D8A20.107
Tritanopia (no blue cones)#8FEBDA0.084
Achromatopsia (no color)#DBDBDB0.140

Harmonies

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

Complementary

The opposite hue (180°).

  • #99EF9D

    #99EF9D

    oklch(87.7% 0.139 145.3)

  • #FDBDFF

    #FDBDFF

    oklch(87.7% 0.112 325.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #99EF9D

    #99EF9D

    oklch(87.7% 0.139 145.3)

  • #D3E270

    #D3E270

    oklch(87.8% 0.14 115.5)

  • #59F4D2

    #59F4D2

    oklch(87.7% 0.139 175.5)

Open the analogous palette in the generator

Split complementary

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

  • #99EF9D

    #99EF9D

    oklch(87.7% 0.139 145.3)

  • #D9CEFF

    #D9CEFF

    oklch(87.6% 0.068 295.3)

  • #FFC3D9

    #FFC3D9

    oklch(87.7% 0.074 354.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #99EF9D

    #99EF9D

    oklch(87.7% 0.139 145.3)

  • #C4D7FF

    #C4D7FF

    oklch(87.8% 0.059 265.1)

  • #FFC7C1

    #FFC7C1

    oklch(87.8% 0.065 25.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #99EF9D

    #99EF9D

    oklch(87.7% 0.139 145.3)

  • #AADFFF

    #AADFFF

    oklch(87.8% 0.07 235.1)

  • #FDBDFF

    #FDBDFF

    oklch(87.7% 0.112 325.5)

  • #FFCAA6

    #FFCAA6

    oklch(87.7% 0.077 55.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99EF9D, closest first.

No curated palette has a color within ΔE 0.04 of #99EF9D.

Similar named colors

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

Use #99EF9D 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.