#59DCEC
Closest named color: Aqua Blue (#02D8E9). oklch(82.9% 0.115 206.4), rgb(89, 220, 236).
Aa
Black text reads best on this color (12.87:1).
About this color
#59DCEC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.115 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.032 away. Black text reads best on it, at 12.87:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 12.87:1 |
| White text | 1.63:1 |
Values
| HEX | #59DCEC |
| RGB | rgb(89, 220, 236) |
| HSL | hsl(187, 79%, 64%) |
| OKLCH | oklch(82.9% 0.115 206.4) |
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 #59DCEC | 1.63:1 | Fails | Lc -31.4 | Non-text elements, placeholder text |
| Black text on #59DCEC | 12.87:1 | AAA | Lc 76.0 | Fine for body text |
| #59DCEC text on white | 1.63:1 | Fails | Lc 27.8 | Dividers and decoration only |
| #59DCEC text on black | 12.87:1 | AAA | Lc -75.1 | 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 300.
-
Step 50
50
#EAF9FB
oklch(97.2% 0.016 206.4)
-
Step 100
100
#D1F1F5
oklch(93.6% 0.034 205.8)
-
Step 200
200
#A7E6EE
oklch(88.5% 0.064 205.9)
-
Step 300
300 (this color)
#59DCEC
oklch(82.9% 0.115 206.4)
-
Step 400
400
#00B5C6
oklch(70.6% 0.121 206.7)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
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)
#59DCEC 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) | #CBD4ED | 0.113 |
| Deuteranopia (no green cones) | #B5C4EC | 0.103 |
| Tritanopia (no blue cones) | #00E5E1 | 0.042 |
| Achromatopsia (no color) | #CACACA | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59DCEC
#59DCEC
oklch(82.9% 0.115 206.4)
- #FFAFA6
#FFAFA6
oklch(82.8% 0.095 26.4)
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 #59DCEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.032
- Turquoise #40E0D0 ΔE 0.048
- Sky Blue #87CEEB ΔE 0.049
- Robin's Egg #6DEDFD ΔE 0.051
- Medium Turquoise #48D1CC ΔE 0.051
- Vivid Sky Blue #4CC9F0 ΔE 0.057
- Light Sky Blue #87CEFA ΔE 0.059
- Dark Turquoise #00CED1 ΔE 0.062
Use #59DCEC 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.