#59C2CC
Closest named color: Dark Turquoise (#00CED1). oklch(75.6% 0.097 203.8), rgb(89, 194, 204).
Aa
Black text reads best on this color (10.01:1).
About this color
#59C2CC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.097 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.040 away. Black text reads best on it, at 10.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.01:1 |
| White text | 2.09:1 |
Values
| HEX | #59C2CC |
| RGB | rgb(89, 194, 204) |
| HSL | hsl(185, 53%, 57%) |
| OKLCH | oklch(75.6% 0.097 203.8) |
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 #59C2CC | 2.09:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #59C2CC | 10.01:1 | AAA | Lc 63.1 | Content text, not long reading |
| #59C2CC text on white | 2.09:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #59C2CC text on black | 10.01:1 | AAA | Lc -61.5 | 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 400.
-
Step 50
50
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DDEEEF
oklch(93.7% 0.018 201.1)
-
Step 200
200
#C0E0E3
oklch(88.4% 0.034 203.5)
-
Step 300
300
#92CDD3
oklch(81% 0.061 204)
-
Step 400
400 (this color)
#59C2CC
oklch(75.6% 0.097 203.8)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#59C2CC 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) | #B5BBCD | 0.098 |
| Deuteranopia (no green cones) | #A2ADCC | 0.090 |
| Tritanopia (no blue cones) | #00C9C5 | 0.039 |
| Achromatopsia (no color) | #B3B3B3 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59C2CC
#59C2CC
oklch(75.6% 0.097 203.8)
- #E79792
#E79792
oklch(75.5% 0.097 23.5)
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 #59C2CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.040
- Medium Turquoise #48D1CC ΔE 0.042
- Vivid Sky Blue #4CC9F0 ΔE 0.050
- Topaz #13BBAF ΔE 0.059
- Pale Teal #82CBB2 ΔE 0.062
- Aqua Blue #02D8E9 ΔE 0.063
- Turquoise Blue #06B1C4 ΔE 0.065
- Light Cornflower Blue #98C1D9 ΔE 0.066
Use #59C2CC 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.