#DEFFFF

Closest named color: Light Cyan (#E0FFFF). oklch(97.7% 0.034 196.6), rgb(222, 255, 255).

Aa

Black text reads best on this color (19.85:1).

About this color

#DEFFFF is a very light, muted teal or cyan. In OKLCH its lightness is 98%, its chroma 0.034 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.002 away. Black text reads best on it, at 19.85:1.

Hue familyTeals and cyans
Lightnessvery light (98%)
Chromamuted (0.034)
Temperaturecool
Nearest nameLight Cyan (#E0FFFF)
Black text19.85:1
White text1.05:1

Values

HEX#DEFFFF
RGBrgb(222, 255, 255)
HSLhsl(180, 100%, 94%)
OKLCHoklch(97.7% 0.034 196.6)

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 #DEFFFF 1.05:1 Fails Lc 0.0 Not readable
Black text on #DEFFFF 19.85:1 AAA Lc 102.1 Preferred for body text
#DEFFFF text on white 1.05:1 Fails Lc 0.0 Not readable
#DEFFFF text on black 19.85:1 AAA Lc -103.6 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 50.

  1. Step 50

    50 (this color)

    #DEFFFF

    oklch(97.7% 0.034 196.6)

  2. Step 100

    100

    #E1EDED

    oklch(93.7% 0.013 196.9)

  3. Step 200

    200

    #C8DEDE

    oklch(88.4% 0.023 196.7)

  4. Step 300

    300

    #A0CACA

    oklch(80.9% 0.044 196.3)

  5. Step 400

    400

    #69AEAF

    oklch(70.6% 0.07 196.9)

  6. Step 500

    500

    #389A9C

    oklch(63.1% 0.089 197)

  7. Step 600

    600

    #008486

    oklch(55.6% 0.095 196.7)

  8. Step 700

    700

    #006F71

    oklch(49.1% 0.084 197)

  9. Step 800

    800

    #005B5C

    oklch(42.7% 0.073 196.1)

  10. Step 900

    900

    #0F4B4C

    oklch(37.7% 0.058 196.7)

  11. Step 950

    950

    #0C2C2C

    oklch(27% 0.037 195.2)

Export this scale for Tailwind in the Tailwind colors tool

#DEFFFF 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)#FAFCFF0.035
Deuteranopia (no green cones)#F4F6FF0.034
Tritanopia (no blue cones)#D4FFFF0.012
Achromatopsia (no color)#F8F8F80.034

Harmonies

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

Complementary

The opposite hue (180°).

  • #DEFFFF

    #DEFFFF

    oklch(97.7% 0.034 196.6)

  • #FFF4F4

    #FFF4F4

    oklch(97.6% 0.012 17.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DEFFFF

    #DEFFFF

    oklch(97.7% 0.034 196.6)

  • #E3FFF2

    #E3FFF2

    oklch(97.6% 0.034 166.1)

  • #EEFAFF

    #EEFAFF

    oklch(97.8% 0.014 224.5)

Open the analogous palette in the generator

Split complementary

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

  • #DEFFFF

    #DEFFFF

    oklch(97.7% 0.034 196.6)

  • #FFF4F9

    #FFF4F9

    oklch(97.7% 0.013 347.9)

  • #FFF5F0

    #FFF5F0

    oklch(97.7% 0.013 48.6)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DEFFFF

    #DEFFFF

    oklch(97.7% 0.034 196.6)

  • #FCF4FF

    #FCF4FF

    oklch(97.6% 0.017 316.9)

  • #FFF6E9

    #FFF6E9

    oklch(97.7% 0.02 77.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DEFFFF

    #DEFFFF

    oklch(97.7% 0.034 196.6)

  • #F6F6FF

    #F6F6FF

    oklch(97.6% 0.012 286.2)

  • #FFF4F4

    #FFF4F4

    oklch(97.6% 0.012 17.4)

  • #FAF9DF

    #FAF9DF

    oklch(97.6% 0.034 105.2)

Open the square palette in the generator

Palettes with this color

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

Similar named colors

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

Use #DEFFFF 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.