#DEF3EE
Closest named color: Anti-Flash White (#EDF2F4). oklch(94.7% 0.023 179.9), rgb(222, 243, 238).
Aa
Black text reads best on this color (18.16:1).
About this color
#DEF3EE is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.022 away. Black text reads best on it, at 18.16:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.16:1 |
| White text | 1.15:1 |
Values
| HEX | #DEF3EE |
| RGB | rgb(222, 243, 238) |
| HSL | hsl(166, 47%, 91%) |
| OKLCH | oklch(94.7% 0.023 179.9) |
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 #DEF3EE | 1.15:1 | Fails | Lc -8.7 | Not readable |
| Black text on #DEF3EE | 18.16:1 | AAA | Lc 96.2 | Preferred for body text |
| #DEF3EE text on white | 1.15:1 | Fails | Lc 7.3 | Not readable |
| #DEF3EE text on black | 18.16:1 | AAA | Lc -97.0 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100 (this color)
#DEF3EE
oklch(94.7% 0.023 179.9)
-
Step 200
200
#CEDDD9
oklch(88.5% 0.017 178.2)
-
Step 300
300
#ADC7C1
oklch(80.8% 0.029 180.1)
-
Step 400
400
#81ABA2
oklch(70.8% 0.047 180.2)
-
Step 500
500
#5F968B
oklch(63.1% 0.061 180.2)
-
Step 600
600
#448075
oklch(55.6% 0.065 180.5)
-
Step 700
700
#356C62
oklch(49.1% 0.061 180.3)
-
Step 800
800
#2D5850
oklch(42.7% 0.05 180.3)
-
Step 900
900
#294942
oklch(37.8% 0.04 178.5)
-
Step 950
950
#182B27
oklch(27.1% 0.026 179.4)
#DEF3EE 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) | #F1F0EE | 0.025 |
| Deuteranopia (no green cones) | #EDEDEE | 0.023 |
| Tritanopia (no blue cones) | #D9F4F1 | 0.007 |
| Achromatopsia (no color) | #EEEEEE | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #DEF3EE
#DEF3EE
oklch(94.7% 0.023 179.9)
- #FCE8ED
#FCE8ED
oklch(94.8% 0.023 0.5)
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 #DEF3EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.022
- Ice #D6FFFA ΔE 0.030
- Pale Blue #D0FEFE ΔE 0.031
- Ice Blue #D7FFFE ΔE 0.031
- Very Pale Blue #D6FFFE ΔE 0.031
- Very Light Blue #D5FFFF ΔE 0.032
- Really Light Blue #D4FFFF ΔE 0.032
- White Smoke #F5F5F5 ΔE 0.032
Use #DEF3EE 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.