#DDEFE6

Closest named color: Anti-Flash White (#EDF2F4). oklch(93.6% 0.022 164.5), rgb(221, 239, 230).

Aa

Black text reads best on this color (17.56:1).

About this color

#DDEFE6 is a very light close to neutral grey. In OKLCH its lightness is 94%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.030 away. Black text reads best on it, at 17.56:1.

Hue familyNeutrals
Lightnessvery light (94%)
Chromaclose to neutral grey (0.022)
Temperatureneutral
Nearest nameAnti-Flash White (#EDF2F4)
Black text17.56:1
White text1.19:1

Values

HEX#DDEFE6
RGBrgb(221, 239, 230)
HSLhsl(150, 36%, 90%)
OKLCHoklch(93.6% 0.022 164.5)

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 #DDEFE6 1.19:1 Fails Lc -11.1 Not readable
Black text on #DDEFE6 17.56:1 AAA Lc 94.0 Preferred for body text
#DDEFE6 text on white 1.19:1 Fails Lc 9.5 Not readable
#DDEFE6 text on black 17.56:1 AAA Lc -94.6 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 100.

  1. Step 50

    50

    #F3F6F5

    oklch(97.1% 0.003 174.5)

  2. Step 100

    100 (this color)

    #DDEFE6

    oklch(93.6% 0.022 164.5)

  3. Step 200

    200

    #D0DDD6

    oklch(88.6% 0.017 162.7)

  4. Step 300

    300

    #B0C7BC

    oklch(80.9% 0.029 165.3)

  5. Step 400

    400

    #86AA99

    oklch(70.6% 0.046 164.7)

  6. Step 500

    500

    #679580

    oklch(63% 0.059 164.5)

  7. Step 600

    600

    #4E7F6A

    oklch(55.5% 0.063 165.2)

  8. Step 700

    700

    #3E6C58

    oklch(49.2% 0.061 164.5)

  9. Step 800

    800

    #345848

    oklch(42.8% 0.05 164.3)

  10. Step 900

    900

    #2E483C

    oklch(37.7% 0.038 164)

  11. Step 950

    950

    #1B2A23

    oklch(26.9% 0.024 164.2)

Export this scale for Tailwind in the Tailwind colors tool

#DDEFE6 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)#EEECE60.023
Deuteranopia (no green cones)#EBEAE60.021
Tritanopia (no blue cones)#DAEFEC0.009
Achromatopsia (no color)#EBEBEB0.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #DDEFE6

    #DDEFE6

    oklch(93.6% 0.022 164.5)

  • #F6E4ED

    #F6E4ED

    oklch(93.6% 0.023 345.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DDEFE6

    #DDEFE6

    oklch(93.6% 0.022 164.5)

  • #E4EEDF

    #E4EEDF

    oklch(93.7% 0.023 134.9)

  • #DAEFEE

    #DAEFEE

    oklch(93.6% 0.022 193.3)

Open the analogous palette in the generator

Split complementary

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

  • #DDEFE6

    #DDEFE6

    oklch(93.6% 0.022 164.5)

  • #F0E6F5

    #F0E6F5

    oklch(93.7% 0.023 314.7)

  • #F9E4E5

    #F9E4E5

    oklch(93.6% 0.023 14.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DDEFE6

    #DDEFE6

    oklch(93.6% 0.022 164.5)

  • #E8E8F9

    #E8E8F9

    oklch(93.6% 0.023 286)

  • #F8E6DE

    #F8E6DE

    oklch(93.7% 0.023 45.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DDEFE6

    #DDEFE6

    oklch(93.6% 0.022 164.5)

  • #E0EBF9

    #E0EBF9

    oklch(93.6% 0.022 254.4)

  • #F6E4ED

    #F6E4ED

    oklch(93.6% 0.023 345.8)

  • #F3E8DA

    #F3E8DA

    oklch(93.6% 0.022 74.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DDEFE6, closest first.

Similar named colors

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

Use #DDEFE6 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.