Really Light Blue #D4FFFF
Really Light Blue is a very light, muted teal or cyan with hex code #D4FFFF and RGB rgb(212, 255, 255).
Aa
Black text reads best on this color (19.54:1).
About this color
#D4FFFF is a very light, muted teal or cyan. In OKLCH its lightness is 97%, its chroma 0.044 and its hue 196°. Its hue sits on the cool side of the wheel. It is the named color Really Light Blue. Black text reads best on it, at 19.54:1.
| Hue family | Teals and cyans |
| Lightness | very light (97%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | Really Light Blue |
| Black text | 19.54:1 |
| White text | 1.07:1 |
Colors that go with Really Light Blue
Matches found by rotating Really Light Blue around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Really Light Blue
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Really Light Blue, closest first.
Similar named colors
The eight named colors closest to Really Light Blue, with their ΔE distance.
- Very Light Blue #D5FFFF ΔE 0.001
- Very Pale Blue #D6FFFE ΔE 0.003
- Ice Blue #D7FFFE ΔE 0.004
- Pale Blue #D0FEFE ΔE 0.006
- Ice #D6FFFA ΔE 0.007
- Light Light Blue #CAFFFB ΔE 0.013
- Light Cyan #E0FFFF ΔE 0.014
- Eggshell Blue #C4FFF7 ΔE 0.022
More about Really Light Blue
How to make Really Light Blue
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 1 part white
Recipe result: #FFFFFF, a difference of ΔE 0.053 from Really Light Blue. That is close; add a little more of one paint to match.
Codes for Really Light Blue in every format
| HEX | #D4FFFF |
| RGB | rgb(212, 255, 255) |
| HSL | hsl(180, 100%, 92%) |
| OKLCH | oklch(97% 0.044 196.5) |
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 #D4FFFF | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #D4FFFF | 19.54:1 | AAA | Lc 101.1 | Preferred for body text |
| #D4FFFF text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #D4FFFF text on black | 19.54:1 | AAA | Lc -102.4 | Preferred for body text |
Shades and tints of Really Light Blue
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 50.
-
Step 50
50 (this color)
#D4FFFF
oklch(97% 0.044 196.5)
-
Step 100
100
#DEEDED
oklch(93.5% 0.016 196.9)
-
Step 200
200
#C2E0E0
oklch(88.5% 0.032 196.6)
-
Step 300
300
#96CCCD
oklch(80.8% 0.056 197.5)
-
Step 400
400
#52B2B3
oklch(70.7% 0.09 196.2)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
Really Light Blue 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) | #F9FBFF | 0.046 |
| Deuteranopia (no green cones) | #F0F4FF | 0.042 |
| Tritanopia (no blue cones) | #C7FFFF | 0.015 |
| Achromatopsia (no color) | #F7F7F7 | 0.044 |
Use Really Light Blue 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.