#EFFDF0

Closest named color: Honeydew (#F0FFF0). oklch(98% 0.023 147.5), rgb(239, 253, 240).

Aa

Black text reads best on this color (19.97:1).

About this color

#EFFDF0 is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Honeydew (#F0FFF0), ΔE 0.005 away. Black text reads best on it, at 19.97:1.

Hue familyNeutrals
Lightnessvery light (98%)
Chromaclose to neutral grey (0.023)
Temperatureneutral
Nearest nameHoneydew (#F0FFF0)
Black text19.97:1
White text1.05:1

Values

HEX#EFFDF0
RGBrgb(239, 253, 240)
HSLhsl(124, 78%, 96%)
OKLCHoklch(98% 0.023 147.5)

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 #EFFDF0 1.05:1 Fails Lc 0.0 Not readable
Black text on #EFFDF0 19.97:1 AAA Lc 102.6 Preferred for body text
#EFFDF0 text on white 1.05:1 Fails Lc 0.0 Not readable
#EFFDF0 text on black 19.97:1 AAA Lc -104.0 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)

    #EFFDF0

    oklch(98% 0.023 147.5)

  2. Step 100

    100

    #E6EBE7

    oklch(93.5% 0.008 151.9)

  3. Step 200

    200

    #D2DCD3

    oklch(88.4% 0.016 148.4)

  4. Step 300

    300

    #B5C6B6

    oklch(80.9% 0.029 147)

  5. Step 400

    400

    #8EA990

    oklch(70.7% 0.047 147.1)

  6. Step 500

    500

    #729475

    oklch(63.2% 0.06 147.1)

  7. Step 600

    600

    #5A7E5E

    oklch(55.7% 0.064 147.5)

  8. Step 700

    700

    #496A4D

    oklch(49% 0.06 147.7)

  9. Step 800

    800

    #3C573F

    oklch(42.8% 0.051 147.5)

  10. Step 900

    900

    #344736

    oklch(37.6% 0.037 147.6)

  11. Step 950

    950

    #1E2A20

    oklch(27% 0.025 149.5)

Export this scale for Tailwind in the Tailwind colors tool

#EFFDF0 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)#FEFAEF0.020
Deuteranopia (no green cones)#FBF9F10.018
Tritanopia (no blue cones)#EEFCF90.013
Achromatopsia (no color)#F9F9F90.023

Harmonies

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

Complementary

The opposite hue (180°).

  • #EFFDF0

    #EFFDF0

    oklch(98% 0.023 147.5)

  • #FFF5FE

    #FFF5FE

    oklch(98% 0.016 328.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EFFDF0

    #EFFDF0

    oklch(98% 0.023 147.5)

  • #F7FBEA

    #F7FBEA

    oklch(98% 0.023 117.6)

  • #E9FEF8

    #E9FEF8

    oklch(98% 0.023 176.9)

Open the analogous palette in the generator

Split complementary

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

  • #EFFDF0

    #EFFDF0

    oklch(98% 0.023 147.5)

  • #F9F7FF

    #F9F7FF

    oklch(98% 0.011 297.6)

  • #FFF6F8

    #FFF6F8

    oklch(98.1% 0.01 2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EFFDF0

    #EFFDF0

    oklch(98% 0.023 147.5)

  • #F6F8FF

    #F6F8FF

    oklch(98% 0.01 273.4)

  • #FFF6F5

    #FFF6F5

    oklch(98% 0.01 25.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EFFDF0

    #EFFDF0

    oklch(98% 0.023 147.5)

  • #F2FAFF

    #F2FAFF

    oklch(98.1% 0.011 234.8)

  • #FFF5FE

    #FFF5FE

    oklch(98% 0.016 328.8)

  • #FFF7F1

    #FFF7F1

    oklch(98.1% 0.012 59.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EFFDF0, closest first.

Similar named colors

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

Use #EFFDF0 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.