#DDEFE4

Closest named color: Anti-Flash White (#EDF2F4). oklch(93.6% 0.024 159.1), rgb(221, 239, 228).

Aa

Black text reads best on this color (17.54:1).

About this color

#DDEFE4 is a very light close to neutral grey. In OKLCH its lightness is 94%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.031 away. Black text reads best on it, at 17.54:1.

Hue familyNeutrals
Lightnessvery light (94%)
Chromaclose to neutral grey (0.024)
Temperatureneutral
Nearest nameAnti-Flash White (#EDF2F4)
Black text17.54:1
White text1.19:1

Values

HEX#DDEFE4
RGBrgb(221, 239, 228)
HSLhsl(143, 36%, 90%)
OKLCHoklch(93.6% 0.024 159.1)

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 #DDEFE4 1.19:1 Fails Lc -11.2 Not readable
Black text on #DDEFE4 17.54:1 AAA Lc 93.9 Preferred for body text
#DDEFE4 text on white 1.19:1 Fails Lc 9.6 Not readable
#DDEFE4 text on black 17.54:1 AAA Lc -94.5 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

    #F3F6F4

    oklch(97% 0.004 157.2)

  2. Step 100

    100 (this color)

    #DDEFE4

    oklch(93.6% 0.024 159.1)

  3. Step 200

    200

    #D0DDD5

    oklch(88.5% 0.018 159.1)

  4. Step 300

    300

    #B1C7B9

    oklch(80.9% 0.031 157.7)

  5. Step 400

    400

    #87AA96

    oklch(70.6% 0.048 159.8)

  6. Step 500

    500

    #68967C

    oklch(63.2% 0.064 159.1)

  7. Step 600

    600

    #4E8065

    oklch(55.6% 0.069 159.5)

  8. Step 700

    700

    #3F6C54

    oklch(49.1% 0.063 159.6)

  9. Step 800

    800

    #345844

    oklch(42.7% 0.054 158.7)

  10. Step 900

    900

    #2E483A

    oklch(37.6% 0.04 160.1)

  11. Step 950

    950

    #1B2A22

    oklch(26.9% 0.025 160.8)

Export this scale for Tailwind in the Tailwind colors tool

#DDEFE4 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)#EFECE30.024
Deuteranopia (no green cones)#EBEAE50.022
Tritanopia (no blue cones)#DAEFEC0.011
Achromatopsia (no color)#EBEBEB0.024

Harmonies

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

Complementary

The opposite hue (180°).

  • #DDEFE4

    #DDEFE4

    oklch(93.6% 0.024 159.1)

  • #F5E4EF

    #F5E4EF

    oklch(93.6% 0.023 338.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #DDEFE4

    #DDEFE4

    oklch(93.6% 0.024 159.1)

  • #E5EDDC

    #E5EDDC

    oklch(93.5% 0.024 127.6)

  • #D9EFED

    #D9EFED

    oklch(93.5% 0.023 190.2)

Open the analogous palette in the generator

Split complementary

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

  • #DDEFE4

    #DDEFE4

    oklch(93.6% 0.024 159.1)

  • #EEE6F6

    #EEE6F6

    oklch(93.6% 0.023 308.2)

  • #F9E4E6

    #F9E4E6

    oklch(93.6% 0.023 11)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #DDEFE4

    #DDEFE4

    oklch(93.6% 0.024 159.1)

  • #E6E8FA

    #E6E8FA

    oklch(93.5% 0.024 280.9)

  • #F9E5DE

    #F9E5DE

    oklch(93.6% 0.024 40.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #DDEFE4

    #DDEFE4

    oklch(93.6% 0.024 159.1)

  • #DEECFA

    #DEECFA

    oklch(93.7% 0.024 248.1)

  • #F5E4EF

    #F5E4EF

    oklch(93.6% 0.023 338.6)

  • #F5E7D9

    #F5E7D9

    oklch(93.5% 0.024 67.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #DDEFE4, closest first.

Similar named colors

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

Use #DDEFE4 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.