#5EC9DC
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(78% 0.101 210.8), rgb(94, 201, 220).
Aa
Black text reads best on this color (10.86:1).
About this color
#5EC9DC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.101 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.030 away. Black text reads best on it, at 10.86:1.
| Hue family | Teals and cyans |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 10.86:1 |
| White text | 1.93:1 |
Values
| HEX | #5EC9DC |
| RGB | rgb(94, 201, 220) |
| HSL | hsl(189, 64%, 62%) |
| OKLCH | oklch(78% 0.101 210.8) |
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 #5EC9DC | 1.93:1 | Fails | Lc -41.1 | Non-text elements, placeholder text |
| Black text on #5EC9DC | 10.86:1 | AAA | Lc 67.1 | Content text, not long reading |
| #5EC9DC text on white | 1.93:1 | Fails | Lc 36.8 | Non-text elements, placeholder text |
| #5EC9DC text on black | 10.86:1 | AAA | Lc -65.6 | 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
#ECF8FB
oklch(97.1% 0.013 214.4)
-
Step 100
100
#D5F0F5
oklch(93.7% 0.029 210)
-
Step 200
200
#AEE4EE
oklch(88.5% 0.057 210.2)
-
Step 300
300 (this color)
#5EC9DC
oklch(78% 0.101 210.8)
-
Step 400
400
#00B4CB
oklch(70.6% 0.122 210.8)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#5EC9DC 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) | #B9C3DD | 0.095 |
| Deuteranopia (no green cones) | #A6B4DC | 0.088 |
| Tritanopia (no blue cones) | #00D1CF | 0.047 |
| Achromatopsia (no color) | #BABABA | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5EC9DC
#5EC9DC
oklch(78% 0.101 210.8)
- #F19F90
#F19F90
oklch(78% 0.101 30.8)
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 #5EC9DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.030
- Medium Turquoise #48D1CC ΔE 0.040
- Dark Turquoise #00CED1 ΔE 0.042
- Aqua Blue #02D8E9 ΔE 0.045
- Sky Blue #87CEEB ΔE 0.046
- Lightblue #7BC8F6 ΔE 0.049
- Bright Sky Blue #02CCFE ΔE 0.054
- Light Cornflower Blue #98C1D9 ΔE 0.056
Use #5EC9DC 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.