#C9E288

Closest named color: Light Grey Green (#B7E1A1). oklch(87.4% 0.118 121.6), rgb(201, 226, 136).

Aa

Black text reads best on this color (14.71:1).

About this color

#C9E288 is a light, moderately saturated yellow. In OKLCH its lightness is 87%, its chroma 0.118 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Grey Green (#B7E1A1), ΔE 0.035 away. Black text reads best on it, at 14.71:1.

Hue familyYellows
Lightnesslight (87%)
Chromamoderately saturated (0.118)
Temperaturein between
Nearest nameLight Grey Green (#B7E1A1)
Black text14.71:1
White text1.42:1

Values

HEX#C9E288
RGBrgb(201, 226, 136)
HSLhsl(77, 61%, 71%)
OKLCHoklch(87.4% 0.118 121.6)

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 #C9E288 1.42:1 Fails Lc -23.3 Dividers and decoration only
Black text on #C9E288 14.71:1 AAA Lc 83.2 Fine for body text
#C9E288 text on white 1.42:1 Fails Lc 20.5 Dividers and decoration only
#C9E288 text on black 14.71:1 AAA Lc -82.9 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

    #F3F8E9

    oklch(97.1% 0.02 121.8)

  2. Step 100

    100

    #E5EFCF

    oklch(93.6% 0.044 121.4)

  3. Step 200

    200 (this color)

    #C9E288

    oklch(87.4% 0.118 121.6)

  4. Step 300

    300

    #B1CF55

    oklch(80.8% 0.152 121.5)

  5. Step 400

    400

    #90B000

    oklch(70.8% 0.171 121.8)

  6. Step 500

    500

    #7B9600

    oklch(62.9% 0.152 121.5)

  7. Step 600

    600

    #677E00

    oklch(55.5% 0.134 121.5)

  8. Step 700

    700

    #566A00

    oklch(49% 0.118 121.7)

  9. Step 800

    800

    #465700

    oklch(42.7% 0.103 121.8)

  10. Step 900

    900

    #3A4800

    oklch(37.6% 0.091 121.4)

  11. Step 950

    950

    #222B00

    oklch(27.1% 0.065 121.1)

Export this scale for Tailwind in the Tailwind colors tool

#C9E288 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)#ECD8810.050
Deuteranopia (no green cones)#E9D88C0.050
Tritanopia (no blue cones)#D0DACC0.097
Achromatopsia (no color)#D8D8D80.119

Harmonies

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

Complementary

The opposite hue (180°).

  • #C9E288

    #C9E288

    oklch(87.4% 0.118 121.6)

  • #DECBFF

    #DECBFF

    oklch(87.5% 0.074 301.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #C9E288

    #C9E288

    oklch(87.4% 0.118 121.6)

  • #F2D376

    #F2D376

    oklch(87.4% 0.118 91.4)

  • #99ECAE

    #99ECAE

    oklch(87.4% 0.118 151.4)

Open the analogous palette in the generator

Split complementary

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

  • #C9E288

    #C9E288

    oklch(87.4% 0.118 121.6)

  • #C7D4FF

    #C7D4FF

    oklch(87.4% 0.061 271.9)

  • #FFBCF5

    #FFBCF5

    oklch(87.4% 0.106 331.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #C9E288

    #C9E288

    oklch(87.4% 0.118 121.6)

  • #AEDCFF

    #AEDCFF

    oklch(87.4% 0.068 241.3)

  • #FFC2D2

    #FFC2D2

    oklch(87.3% 0.072 1.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #C9E288

    #C9E288

    oklch(87.4% 0.118 121.6)

  • #74E9FF

    #74E9FF

    oklch(87.4% 0.11 211.5)

  • #DECBFF

    #DECBFF

    oklch(87.5% 0.074 301.6)

  • #FFC6BA

    #FFC6BA

    oklch(87.4% 0.068 32)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C9E288, closest first.

Similar named colors

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

Use #C9E288 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.