#ECF5BC

Closest named color: Light Tan (#FBEEAC). oklch(94.9% 0.074 115.1), rgb(236, 245, 188).

Aa

Black text reads best on this color (18.35:1).

About this color

#ECF5BC is a very light, moderately saturated yellow. In OKLCH its lightness is 95%, its chroma 0.074 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Tan (#FBEEAC), ΔE 0.026 away. Black text reads best on it, at 18.35:1.

Hue familyYellows
Lightnessvery light (95%)
Chromamoderately saturated (0.074)
Temperaturein between
Nearest nameLight Tan (#FBEEAC)
Black text18.35:1
White text1.14:1

Values

HEX#ECF5BC
RGBrgb(236, 245, 188)
HSLhsl(69, 74%, 85%)
OKLCHoklch(94.9% 0.074 115.1)

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 #ECF5BC 1.14:1 Fails Lc -7.9 Not readable
Black text on #ECF5BC 18.35:1 AAA Lc 96.9 Preferred for body text
#ECF5BC text on white 1.14:1 Fails Lc 0.0 Not readable
#ECF5BC text on black 18.35:1 AAA Lc -97.8 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

    #F5F7ED

    oklch(97.2% 0.013 115.8)

  2. Step 100

    100 (this color)

    #ECF5BC

    oklch(94.9% 0.074 115.1)

  3. Step 200

    200

    #D7DEB6

    oklch(88.5% 0.054 115.6)

  4. Step 300

    300

    #BEC880

    oklch(80.8% 0.095 115)

  5. Step 400

    400

    #9EAB1D

    oklch(70.7% 0.153 115.2)

  6. Step 500

    500

    #879300

    oklch(63.2% 0.144 115.4)

  7. Step 600

    600

    #717B00

    oklch(55.5% 0.126 115.3)

  8. Step 700

    700

    #5F6700

    oklch(49% 0.111 115)

  9. Step 800

    800

    #4E5500

    oklch(42.8% 0.097 115.1)

  10. Step 900

    900

    #404600

    oklch(37.6% 0.085 115.2)

  11. Step 950

    950

    #262A00

    oklch(27.2% 0.062 115.2)

Export this scale for Tailwind in the Tailwind colors tool

#ECF5BC 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)#FDEFB80.025
Deuteranopia (no green cones)#FDF0BE0.026
Tritanopia (no blue cones)#F3EEE60.065
Achromatopsia (no color)#F0F0F00.075

Harmonies

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

Complementary

The opposite hue (180°).

  • #ECF5BC

    #ECF5BC

    oklch(94.9% 0.074 115.1)

  • #EFEBFF

    #EFEBFF

    oklch(94.9% 0.027 295.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #ECF5BC

    #ECF5BC

    oklch(94.9% 0.074 115.1)

  • #FFECC6

    #FFECC6

    oklch(94.9% 0.054 84.5)

  • #D0FCD0

    #D0FCD0

    oklch(94.9% 0.074 145)

Open the analogous palette in the generator

Split complementary

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

  • #ECF5BC

    #ECF5BC

    oklch(94.9% 0.074 115.1)

  • #E7EEFF

    #E7EEFF

    oklch(94.9% 0.024 267.9)

  • #FEE5FF

    #FEE5FF

    oklch(95% 0.044 324.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #ECF5BC

    #ECF5BC

    oklch(94.9% 0.074 115.1)

  • #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.

  • #ECF5BC

    #ECF5BC

    oklch(94.9% 0.074 115.1)

  • #C7F9FF

    #C7F9FF

    oklch(95% 0.051 205.4)

  • #EFEBFF

    #EFEBFF

    oklch(94.9% 0.027 295.1)

  • #FFE8E6

    #FFE8E6

    oklch(94.9% 0.025 23.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ECF5BC, closest first.

Similar named colors

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

Use #ECF5BC 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.