#90DCE7
Closest named color: Celeste (#A8DADC). oklch(84.9% 0.076 207.4), rgb(144, 220, 231).
Aa
Black text reads best on this color (13.57:1).
About this color
#90DCE7 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.076 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.027 away. Black text reads best on it, at 13.57:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.57:1 |
| White text | 1.54:1 |
Values
| HEX | #90DCE7 |
| RGB | rgb(144, 220, 231) |
| HSL | hsl(188, 64%, 74%) |
| OKLCH | oklch(84.9% 0.076 207.4) |
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 #90DCE7 | 1.54:1 | Fails | Lc -28.4 | Dividers and decoration only |
| Black text on #90DCE7 | 13.57:1 | AAA | Lc 78.7 | Fine for body text |
| #90DCE7 text on white | 1.54:1 | Fails | Lc 25.1 | Dividers and decoration only |
| #90DCE7 text on black | 13.57:1 | AAA | Lc -78.0 | Fine 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 200.
-
Step 50
50
#ECF8FA
oklch(97.1% 0.013 208.8)
-
Step 100
100
#D5F0F4
oklch(93.7% 0.029 207.4)
-
Step 200
200 (this color)
#90DCE7
oklch(84.9% 0.076 207.4)
-
Step 300
300
#6BD3E1
oklch(81% 0.098 207)
-
Step 400
400
#00B5C7
oklch(70.7% 0.121 207.4)
-
Step 500
500
#009BAB
oklch(63% 0.108 207.7)
-
Step 600
600
#008290
oklch(55.5% 0.095 208)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#90DCE7 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) | #D0D6E8 | 0.075 |
| Deuteranopia (no green cones) | #C1CBE7 | 0.068 |
| Tritanopia (no blue cones) | #6DE2DF | 0.037 |
| Achromatopsia (no color) | #D0D0D0 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90DCE7
#90DCE7
oklch(84.9% 0.076 207.4)
- #FCBBB2
#FCBBB2
oklch(84.9% 0.077 27.7)
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 #90DCE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.027
- Light Blue #ADD8E6 ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.037
- Sky Blue #87CEEB ΔE 0.043
- Robin's Egg #6DEDFD ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.052
- Light Sky Blue #87CEFA ΔE 0.055
- Robin Egg Blue #8AF1FE ΔE 0.056
Use #90DCE7 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.