#59CDC5
Closest named color: Medium Turquoise (#48D1CC). oklch(78% 0.105 189), rgb(89, 205, 197).
Aa
Black text reads best on this color (10.96:1).
About this color
#59CDC5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.105 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.014 away. Black text reads best on it, at 10.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.96:1 |
| White text | 1.91:1 |
Values
| HEX | #59CDC5 |
| RGB | rgb(89, 205, 197) |
| HSL | hsl(176, 54%, 58%) |
| OKLCH | oklch(78% 0.105 189) |
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 #59CDC5 | 1.91:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #59CDC5 | 10.96:1 | AAA | Lc 67.6 | Content text, not long reading |
| #59CDC5 text on white | 1.91:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #59CDC5 text on black | 10.96:1 | AAA | Lc -66.2 | 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
#EBF9F7
oklch(97.1% 0.015 186.7)
-
Step 100
100
#D4F1EE
oklch(93.6% 0.031 189.1)
-
Step 200
200
#ADE6E1
oklch(88.5% 0.058 189.4)
-
Step 300
300 (this color)
#59CDC5
oklch(78% 0.105 189)
-
Step 400
400
#00B8B0
oklch(70.6% 0.122 189.3)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#59CDC5 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) | #C3C3C5 | 0.112 |
| Deuteranopia (no green cones) | #B0B6C6 | 0.104 |
| Tritanopia (no blue cones) | #00D2CA | 0.029 |
| Achromatopsia (no color) | #BBBBBB | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59CDC5
#59CDC5
oklch(78% 0.105 189)
- #F29BA9
#F29BA9
oklch(78.1% 0.105 9.3)
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 #59CDC5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.014
- Dark Turquoise #00CED1 ΔE 0.032
- Seafoam Blue #78D1B6 ΔE 0.035
- Medium Aquamarine #66CDAA ΔE 0.038
- Pale Teal #82CBB2 ΔE 0.039
- Turquoise #40E0D0 ΔE 0.050
- Aqua Blue #02D8E9 ΔE 0.052
- Tiffany Blue #94D2BD ΔE 0.057
Use #59CDC5 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.