#90CFC4
Closest named color: Tiffany Blue (#94D2BD). oklch(80.9% 0.066 182.5), rgb(144, 207, 196).
Aa
Black text reads best on this color (11.90:1).
About this color
#90CFC4 is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.066 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.015 away. Black text reads best on it, at 11.90:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 11.90:1 |
| White text | 1.76:1 |
Values
| HEX | #90CFC4 |
| RGB | rgb(144, 207, 196) |
| HSL | hsl(170, 40%, 69%) |
| OKLCH | oklch(80.9% 0.066 182.5) |
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 #90CFC4 | 1.76:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #90CFC4 | 11.90:1 | AAA | Lc 71.6 | Content text, not long reading |
| #90CFC4 text on white | 1.76:1 | Fails | Lc 32.3 | Non-text elements, placeholder text |
| #90CFC4 text on black | 11.90:1 | AAA | Lc -70.4 | Content text, not long reading |
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 300.
-
Step 50
50
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100
#DDEEEB
oklch(93.6% 0.018 184.3)
-
Step 200
200
#C0E2DB
oklch(88.6% 0.037 181.6)
-
Step 300
300 (this color)
#90CFC4
oklch(80.9% 0.066 182.5)
-
Step 400
400
#42B6A6
oklch(70.7% 0.106 182.4)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#90CFC4 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) | #C9C8C4 | 0.070 |
| Deuteranopia (no green cones) | #BEBFC5 | 0.068 |
| Tritanopia (no blue cones) | #7DD1CB | 0.019 |
| Achromatopsia (no color) | #C3C3C3 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90CFC4
#90CFC4
oklch(80.9% 0.066 182.5)
- #E6AFBD
#E6AFBD
oklch(80.8% 0.066 1.8)
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 #90CFC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.015
- Pale Teal #82CBB2 ΔE 0.031
- Seafoam Blue #78D1B6 ΔE 0.034
- Celeste #A8DADC ΔE 0.051
- Medium Turquoise #48D1CC ΔE 0.056
- Sky Blue #87CEEB ΔE 0.057
- Light Cornflower Blue #98C1D9 ΔE 0.057
- Medium Aquamarine #66CDAA ΔE 0.058
Use #90CFC4 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.