#ECF1BF
Closest named color: Light Tan (#FBEEAC). oklch(94.2% 0.065 112.3), rgb(236, 241, 191).
Aa
Black text reads best on this color (17.90:1).
About this color
#ECF1BF is a very light, muted yellow. In OKLCH its lightness is 94%, its chroma 0.065 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 0.027 away. Black text reads best on it, at 17.90:1.
| Hue family | Yellows |
| Lightness | very light (94%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Light Tan (#FBEEAC) |
| Black text | 17.90:1 |
| White text | 1.17:1 |
Values
| HEX | #ECF1BF |
| RGB | rgb(236, 241, 191) |
| HSL | hsl(66, 64%, 85%) |
| OKLCH | oklch(94.2% 0.065 112.3) |
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 #ECF1BF | 1.17:1 | Fails | Lc -9.7 | Not readable |
| Black text on #ECF1BF | 17.90:1 | AAA | Lc 95.2 | Preferred for body text |
| #ECF1BF text on white | 1.17:1 | Fails | Lc 8.3 | Not readable |
| #ECF1BF text on black | 17.90:1 | AAA | Lc -96.0 | 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
#F5F6EE
oklch(97% 0.011 112.4)
-
Step 100
100 (this color)
#ECF1BF
oklch(94.2% 0.065 112.3)
-
Step 200
200
#D9DDBA
oklch(88.5% 0.047 112.7)
-
Step 300
300
#C1C787
oklch(81% 0.085 112.6)
-
Step 400
400
#A3A837
oklch(70.6% 0.134 111.8)
-
Step 500
500
#8C9100
oklch(63.1% 0.14 112.2)
-
Step 600
600
#757A00
oklch(55.6% 0.124 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#434500
oklch(37.6% 0.083 111.6)
-
Step 950
950
#272900
oklch(27% 0.06 112.6)
#ECF1BF 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) | #F9ECBC | 0.020 |
| Deuteranopia (no green cones) | #F9EEC1 | 0.019 |
| Tritanopia (no blue cones) | #F3EBE3 | 0.056 |
| Achromatopsia (no color) | #EDEDED | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECF1BF
#ECF1BF
oklch(94.2% 0.065 112.3)
- #ECE9FF
#ECE9FF
oklch(94.3% 0.03 292.1)
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 #ECF1BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Tan #FBEEAC ΔE 0.027
- Pale Goldenrod #EEE8AA ΔE 0.028
- Light Goldenrod Yellow #FAFAD2 ΔE 0.036
- Pale Peach #FFE5AD ΔE 0.036
- Lemon Meringue #EAE2B7 ΔE 0.037
- Moccasin #FFE4B5 ΔE 0.038
- Lemon Chiffon #FFFACD ΔE 0.038
- Blanched Almond #FFEBCD ΔE 0.038
Use #ECF1BF 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.