#99CE45

Closest named color: Yellow Green (#9ACD32). oklch(78.8% 0.174 128.1), rgb(153, 206, 69).

Aa

Black text reads best on this color (11.26:1).

About this color

#99CE45 is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.174 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Yellow Green (#9ACD32), ΔE 0.011 away. Black text reads best on it, at 11.26:1.

Hue familyGreens
Lightnesslight (79%)
Chromavivid (0.174)
Temperaturein between
Nearest nameYellow Green (#9ACD32)
Black text11.26:1
White text1.86:1

Values

HEX#99CE45
RGBrgb(153, 206, 69)
HSLhsl(83, 58%, 54%)
OKLCHoklch(78.8% 0.174 128.1)

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 #99CE45 1.86:1 Fails Lc -39.2 Non-text elements, placeholder text
Black text on #99CE45 11.26:1 AAA Lc 68.9 Content text, not long reading
#99CE45 text on white 1.86:1 Fails Lc 35.0 Non-text elements, placeholder text
#99CE45 text on black 11.26:1 AAA Lc -67.5 Content text, not long reading

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

    #F1F9E8

    oklch(97.2% 0.024 127.6)

  2. Step 100

    100

    #E0F1CD

    oklch(93.6% 0.051 128)

  3. Step 200

    200

    #C7E6A1

    oklch(88.6% 0.097 127.9)

  4. Step 300

    300 (this color)

    #99CE45

    oklch(78.8% 0.174 128.1)

  5. Step 400

    400

    #7EB500

    oklch(70.8% 0.186 128.2)

  6. Step 500

    500

    #6C9B00

    oklch(63.2% 0.165 128)

  7. Step 600

    600

    #5A8200

    oklch(55.6% 0.145 128)

  8. Step 700

    700

    #4B6D00

    oklch(49% 0.128 127.9)

  9. Step 800

    800

    #3D5A00

    oklch(42.8% 0.112 128.1)

  10. Step 900

    900

    #324B00

    oklch(37.8% 0.099 128.2)

  11. Step 950

    950

    #1C2C00

    oklch(26.9% 0.07 127.9)

Export this scale for Tailwind in the Tailwind colors tool

#99CE45 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)#D8C0320.086
Deuteranopia (no green cones)#D1BD500.088
Tritanopia (no blue cones)#9EC5B20.137
Achromatopsia (no color)#BEBEBE0.174

Harmonies

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

Complementary

The opposite hue (180°).

  • #99CE45

    #99CE45

    oklch(78.8% 0.174 128.1)

  • #D3A0FF

    #D3A0FF

    oklch(78.8% 0.141 308.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #99CE45

    #99CE45

    oklch(78.8% 0.174 128.1)

  • #D6BA00

    #D6BA00

    oklch(78.9% 0.163 98.3)

  • #2DDA8E

    #2DDA8E

    oklch(78.7% 0.173 158.1)

Open the analogous palette in the generator

Split complementary

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

  • #99CE45

    #99CE45

    oklch(78.8% 0.174 128.1)

  • #AAB3FF

    #AAB3FF

    oklch(78.8% 0.108 278.4)

  • #FF8AE0

    #FF8AE0

    oklch(78.8% 0.173 338)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #99CE45

    #99CE45

    oklch(78.8% 0.174 128.1)

  • #7DC0FF

    #7DC0FF

    oklch(78.8% 0.113 248)

  • #FF96AA

    #FF96AA

    oklch(78.8% 0.127 8.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #99CE45

    #99CE45

    oklch(78.8% 0.174 128.1)

  • #00CFF6

    #00CFF6

    oklch(78.9% 0.142 217.9)

  • #D3A0FF

    #D3A0FF

    oklch(78.8% 0.141 308.1)

  • #FF9C7D

    #FF9C7D

    oklch(78.8% 0.127 38.2)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #99CE45, closest first.

Similar named colors

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

Use #99CE45 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.