#ECF5CC

Closest named color: Light Goldenrod Yellow (#FAFAD2). oklch(95.3% 0.054 117.5), rgb(236, 245, 204).

Aa

Black text reads best on this color (18.49:1).

About this color

#ECF5CC is a very light, muted yellow. In OKLCH its lightness is 95%, its chroma 0.054 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Goldenrod Yellow (#FAFAD2), ΔE 0.024 away. Black text reads best on it, at 18.49:1.

Hue familyYellows
Lightnessvery light (95%)
Chromamuted (0.054)
Temperaturein between
Nearest nameLight Goldenrod Yellow (#FAFAD2)
Black text18.49:1
White text1.13:1

Values

HEX#ECF5CC
RGBrgb(236, 245, 204)
HSLhsl(73, 67%, 88%)
OKLCHoklch(95.3% 0.054 117.5)

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 #ECF5CC 1.13:1 Fails Lc 0.0 Not readable
Black text on #ECF5CC 18.49:1 AAA Lc 97.4 Preferred for body text
#ECF5CC text on white 1.13:1 Fails Lc 0.0 Not readable
#ECF5CC text on black 18.49:1 AAA Lc -98.3 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)

    #ECF5CC

    oklch(95.3% 0.054 117.5)

  3. Step 200

    200

    #D7DDC0

    oklch(88.5% 0.039 116.7)

  4. Step 300

    300

    #BDC794

    oklch(80.9% 0.069 117)

  5. Step 400

    400

    #9BAA55

    oklch(70.7% 0.112 117.6)

  6. Step 500

    500

    #83940D

    oklch(63.1% 0.143 117.7)

  7. Step 600

    600

    #6E7C00

    oklch(55.5% 0.128 117.3)

  8. Step 700

    700

    #5C6800

    oklch(49% 0.113 117.4)

  9. Step 800

    800

    #4B5500

    oklch(42.6% 0.098 117.3)

  10. Step 900

    900

    #3E4700

    oklch(37.7% 0.087 117.6)

  11. Step 950

    950

    #242A03

    oklch(27% 0.059 118)

Export this scale for Tailwind in the Tailwind colors tool

#ECF5CC 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)#FBF0CA0.022
Deuteranopia (no green cones)#FAF1CE0.021
Tritanopia (no blue cones)#F0F0E90.045
Achromatopsia (no color)#F0F0F00.054

Harmonies

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

Complementary

The opposite hue (180°).

  • #ECF5CC

    #ECF5CC

    oklch(95.3% 0.054 117.5)

  • #F1ECFF

    #F1ECFF

    oklch(95.3% 0.026 297.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #ECF5CC

    #ECF5CC

    oklch(95.3% 0.054 117.5)

  • #FFEEC7

    #FFEEC7

    oklch(95.3% 0.054 87.3)

  • #D8FADB

    #D8FADB

    oklch(95.3% 0.054 147.6)

Open the analogous palette in the generator

Split complementary

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

  • #ECF5CC

    #ECF5CC

    oklch(95.3% 0.054 117.5)

  • #E9EFFF

    #E9EFFF

    oklch(95.2% 0.022 269.4)

  • #FFE6FE

    #FFE6FE

    oklch(95.2% 0.041 327.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #ECF5CC

    #ECF5CC

    oklch(95.3% 0.054 117.5)

  • #E0F3FF

    #E0F3FF

    oklch(95.4% 0.026 235.3)

  • #FFE9EF

    #FFE9EF

    oklch(95.3% 0.025 359.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #ECF5CC

    #ECF5CC

    oklch(95.3% 0.054 117.5)

  • #CEF9FF

    #CEF9FF

    oklch(95.4% 0.045 206.8)

  • #F1ECFF

    #F1ECFF

    oklch(95.3% 0.026 297.9)

  • #FFEAE7

    #FFEAE7

    oklch(95.3% 0.023 27.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ECF5CC, closest first.

Similar named colors

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

Use #ECF5CC 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.