#ECF3CB

Closest named color: Beige (#F5F5DC). oklch(94.9% 0.053 115.5), rgb(236, 243, 203).

Aa

Black text reads best on this color (18.24:1).

About this color

#ECF3CB is a very light, muted yellow. In OKLCH its lightness is 95%, its chroma 0.053 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Beige (#F5F5DC), ΔE 0.026 away. Black text reads best on it, at 18.24:1.

Hue familyYellows
Lightnessvery light (95%)
Chromamuted (0.053)
Temperaturein between
Nearest nameBeige (#F5F5DC)
Black text18.24:1
White text1.15:1

Values

HEX#ECF3CB
RGBrgb(236, 243, 203)
HSLhsl(70, 62%, 87%)
OKLCHoklch(94.9% 0.053 115.5)

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 #ECF3CB 1.15:1 Fails Lc -8.3 Not readable
Black text on #ECF3CB 18.24:1 AAA Lc 96.5 Preferred for body text
#ECF3CB text on white 1.15:1 Fails Lc 0.0 Not readable
#ECF3CB text on black 18.24:1 AAA Lc -97.4 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

    #F5F6EF

    oklch(97% 0.009 113.2)

  2. Step 100

    100 (this color)

    #ECF3CB

    oklch(94.9% 0.053 115.5)

  3. Step 200

    200

    #D8DDC1

    oklch(88.6% 0.038 115.4)

  4. Step 300

    300

    #BEC694

    oklch(80.8% 0.068 115.3)

  5. Step 400

    400

    #9EA956

    oklch(70.8% 0.109 115.5)

  6. Step 500

    500

    #879312

    oklch(63.2% 0.139 115.5)

  7. Step 600

    600

    #717B00

    oklch(55.5% 0.126 115.3)

  8. Step 700

    700

    #5F6800

    oklch(49.3% 0.112 115.5)

  9. Step 800

    800

    #4D5500

    oklch(42.8% 0.098 115.9)

  10. Step 900

    900

    #404600

    oklch(37.6% 0.085 115.2)

  11. Step 950

    950

    #252903

    oklch(26.8% 0.057 115.5)

Export this scale for Tailwind in the Tailwind colors tool

#ECF3CB 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)#F9EFC90.019
Deuteranopia (no green cones)#F9EFCD0.020
Tritanopia (no blue cones)#F1EEE80.046
Achromatopsia (no color)#EFEFEF0.053

Harmonies

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

Complementary

The opposite hue (180°).

  • #ECF3CB

    #ECF3CB

    oklch(94.9% 0.053 115.5)

  • #EFEBFF

    #EFEBFF

    oklch(94.9% 0.027 295.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #ECF3CB

    #ECF3CB

    oklch(94.9% 0.053 115.5)

  • #FEECC6

    #FEECC6

    oklch(94.8% 0.053 85.6)

  • #D9F8D9

    #D9F8D9

    oklch(94.9% 0.052 145.1)

Open the analogous palette in the generator

Split complementary

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

  • #ECF3CB

    #ECF3CB

    oklch(94.9% 0.053 115.5)

  • #E6EEFF

    #E6EEFF

    oklch(94.8% 0.024 265.6)

  • #FFE4FF

    #FFE4FF

    oklch(94.9% 0.046 325.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #ECF3CB

    #ECF3CB

    oklch(94.9% 0.053 115.5)

  • #DDF2FF

    #DDF2FF

    oklch(95% 0.028 234.8)

  • #FFE7EF

    #FFE7EF

    oklch(95% 0.028 355.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #ECF3CB

    #ECF3CB

    oklch(94.9% 0.053 115.5)

  • #C6F9FF

    #C6F9FF

    oklch(94.9% 0.052 205.2)

  • #EFEBFF

    #EFEBFF

    oklch(94.9% 0.027 295.1)

  • #FFE8E5

    #FFE8E5

    oklch(94.9% 0.026 26.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ECF3CB, closest first.

Similar named colors

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

Use #ECF3CB 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.