#ECF1BC
Closest named color: Light Tan (#FBEEAC). oklch(94.1% 0.069 112.1), rgb(236, 241, 188).
Aa
Black text reads best on this color (17.87:1).
About this color
#ECF1BC is a very light, muted yellow. In OKLCH its lightness is 94%, its chroma 0.069 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Tan (#FBEEAC), ΔE 0.024 away. Black text reads best on it, at 17.87:1.
| Hue family | Yellows |
| Lightness | very light (94%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Light Tan (#FBEEAC) |
| Black text | 17.87:1 |
| White text | 1.17:1 |
Values
| HEX | #ECF1BC |
| RGB | rgb(236, 241, 188) |
| HSL | hsl(66, 65%, 84%) |
| OKLCH | oklch(94.1% 0.069 112.1) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #ECF1BC | 1.17:1 | Fails | Lc -9.8 | Not readable |
| Black text on #ECF1BC | 17.87:1 | AAA | Lc 95.1 | Preferred for body text |
| #ECF1BC text on white | 1.17:1 | Fails | Lc 8.4 | Not readable |
| #ECF1BC text on black | 17.87:1 | AAA | Lc -95.9 | 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
#F5F6ED
oklch(97% 0.012 111.8)
-
Step 100
100 (this color)
#ECF1BC
oklch(94.1% 0.069 112.1)
-
Step 200
200
#D9DDB8
oklch(88.5% 0.049 112.4)
-
Step 300
300
#C1C783
oklch(80.9% 0.089 112.5)
-
Step 400
400
#A3A92C
oklch(70.8% 0.142 112.3)
-
Step 500
500
#8C9100
oklch(63.1% 0.14 112.2)
-
Step 600
600
#767A00
oklch(55.7% 0.123 112.1)
-
Step 700
700
#636600
oklch(49.1% 0.109 111.8)
-
Step 800
800
#515300
oklch(42.6% 0.094 111.4)
-
Step 900
900
#434500
oklch(37.6% 0.083 111.6)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#ECF1BC 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) | #F9ECB9 | 0.020 |
| Deuteranopia (no green cones) | #F9EDBE | 0.020 |
| Tritanopia (no blue cones) | #F3EBE3 | 0.060 |
| Achromatopsia (no color) | #EDEDED | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECF1BC
#ECF1BC
oklch(94.1% 0.069 112.1)
- #EBE8FF
#EBE8FF
oklch(94% 0.031 291.8)
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 #ECF1BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Tan #FBEEAC ΔE 0.024
- Pale Goldenrod #EEE8AA ΔE 0.026
- Light Khaki #E6F2A2 ΔE 0.035
- Pale Peach #FFE5AD ΔE 0.036
- Lemon Meringue #EAE2B7 ΔE 0.038
- Moccasin #FFE4B5 ΔE 0.038
- Light Goldenrod Yellow #FAFAD2 ΔE 0.038
- Lemon Chiffon #FFFACD ΔE 0.040
Use #ECF1BC 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.