#ECF3D9
Closest named color: Beige (#F5F5DC). oklch(95.2% 0.035 119.3), rgb(236, 243, 217).
Aa
Black text reads best on this color (18.38:1).
About this color
#ECF3D9 is a very light, muted yellow. In OKLCH its lightness is 95%, its chroma 0.035 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Beige (#F5F5DC), ΔE 0.014 away. Black text reads best on it, at 18.38:1.
| Hue family | Yellows |
| Lightness | very light (95%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Beige (#F5F5DC) |
| Black text | 18.38:1 |
| White text | 1.14:1 |
Values
| HEX | #ECF3D9 |
| RGB | rgb(236, 243, 217) |
| HSL | hsl(76, 52%, 90%) |
| OKLCH | oklch(95.2% 0.035 119.3) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #ECF3D9 | 1.14:1 | Fails | Lc -7.7 | Not readable |
| Black text on #ECF3D9 | 18.38:1 | AAA | Lc 97.0 | Preferred for body text |
| #ECF3D9 text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #ECF3D9 text on black | 18.38:1 | AAA | Lc -97.9 | 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.
-
Step 50
50
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100 (this color)
#ECF3D9
oklch(95.2% 0.035 119.3)
-
Step 200
200
#D7DCCA
oklch(88.6% 0.025 119.5)
-
Step 300
300
#BDC5A5
oklch(80.9% 0.045 118.8)
-
Step 400
400
#9BA774
oklch(70.6% 0.072 119)
-
Step 500
500
#83924F
oklch(63.2% 0.093 119.5)
-
Step 600
600
#6D7B32
oklch(55.5% 0.099 118.8)
-
Step 700
700
#5B6824
oklch(49.1% 0.093 119.1)
-
Step 800
800
#4A5520
oklch(42.7% 0.077 119.6)
-
Step 900
900
#3E461F
oklch(37.7% 0.06 119)
-
Step 950
950
#242913
oklch(26.9% 0.038 119.5)
#ECF3D9 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #F7F0D8 | 0.015 |
| Deuteranopia (no green cones) | #F6F0DA | 0.015 |
| Tritanopia (no blue cones) | #EFF0EB | 0.028 |
| Achromatopsia (no color) | #F0F0F0 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECF3D9
#ECF3D9
oklch(95.2% 0.035 119.3)
- #F1ECFF
#F1ECFF
oklch(95.3% 0.026 297.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ECF3D9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Beige #F5F5DC ΔE 0.014
- Papaya Whip #FFEFD5 ΔE 0.026
- Antique White #FAEBD7 ΔE 0.026
- Linen #FAF0E6 ΔE 0.029
- Cornsilk #FFF8DC ΔE 0.029
- Old Lace #FDF5E6 ΔE 0.030
- Light Goldenrod Yellow #FAFAD2 ΔE 0.030
- Blanched Almond #FFEBCD ΔE 0.030
Use #ECF3D9 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.