#ECF3C5
Closest named color: Light Goldenrod Yellow (#FAFAD2). oklch(94.7% 0.06 114.6), rgb(236, 243, 197).
Aa
Black text reads best on this color (18.19:1).
About this color
#ECF3C5 is a very light, muted yellow. In OKLCH its lightness is 95%, its chroma 0.060 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Goldenrod Yellow (#FAFAD2), ΔE 0.030 away. Black text reads best on it, at 18.19:1.
| Hue family | Yellows |
| Lightness | very light (95%) |
| Chroma | muted (0.060) |
| Temperature | in between |
| Nearest name | Light Goldenrod Yellow (#FAFAD2) |
| Black text | 18.19:1 |
| White text | 1.15:1 |
Values
| HEX | #ECF3C5 |
| RGB | rgb(236, 243, 197) |
| HSL | hsl(69, 66%, 86%) |
| OKLCH | oklch(94.7% 0.06 114.6) |
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 #ECF3C5 | 1.15:1 | Fails | Lc -8.5 | Not readable |
| Black text on #ECF3C5 | 18.19:1 | AAA | Lc 96.3 | Preferred for body text |
| #ECF3C5 text on white | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #ECF3C5 text on black | 18.19:1 | AAA | Lc -97.1 | 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
#F5F6EF
oklch(97% 0.009 113.2)
-
Step 100
100 (this color)
#ECF3C5
oklch(94.7% 0.06 114.6)
-
Step 200
200
#D8DDBD
oklch(88.5% 0.043 114.5)
-
Step 300
300
#BFC78D
oklch(80.9% 0.078 114.5)
-
Step 400
400
#9FA946
oklch(70.7% 0.124 114.4)
-
Step 500
500
#889200
oklch(63% 0.142 114.5)
-
Step 600
600
#727B00
oklch(55.6% 0.126 114.8)
-
Step 700
700
#606700
oklch(49.1% 0.111 114.3)
-
Step 800
800
#4E5400
oklch(42.6% 0.096 114.4)
-
Step 900
900
#414600
oklch(37.7% 0.085 114.3)
-
Step 950
950
#262900
oklch(26.9% 0.06 113.9)
#ECF3C5 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) | #FAEEC2 | 0.021 |
| Deuteranopia (no green cones) | #FAEFC7 | 0.021 |
| Tritanopia (no blue cones) | #F2EDE6 | 0.052 |
| Achromatopsia (no color) | #EFEFEF | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECF3C5
#ECF3C5
oklch(94.7% 0.06 114.6)
- #EEEAFF
#EEEAFF
oklch(94.6% 0.028 294.6)
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 #ECF3C5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Goldenrod Yellow #FAFAD2 ΔE 0.030
- Light Tan #FBEEAC ΔE 0.032
- Beige #F5F5DC ΔE 0.033
- Pale #FFF9D0 ΔE 0.033
- Lemon Chiffon #FFFACD ΔE 0.033
- Pale Goldenrod #EEE8AA ΔE 0.035
- Egg Shell #FFFCC4 ΔE 0.036
- Blanched Almond #FFEBCD ΔE 0.036
Use #ECF3C5 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.