#59E4C4
Closest named color: Turquoise (#40E0D0). oklch(83.5% 0.129 175), rgb(89, 228, 196).
Aa
Black text reads best on this color (13.31:1).
About this color
#59E4C4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.129 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.026 away. Black text reads best on it, at 13.31:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.31:1 |
| White text | 1.57:1 |
Values
| HEX | #59E4C4 |
| RGB | rgb(89, 228, 196) |
| HSL | hsl(166, 72%, 62%) |
| OKLCH | oklch(83.5% 0.129 175) |
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 #59E4C4 | 1.57:1 | Fails | Lc -29.3 | Dividers and decoration only |
| Black text on #59E4C4 | 13.31:1 | AAA | Lc 77.8 | Fine for body text |
| #59E4C4 text on white | 1.57:1 | Fails | Lc 25.9 | Dividers and decoration only |
| #59E4C4 text on black | 13.31:1 | AAA | Lc -77.1 | 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
#EAF9F5
oklch(97% 0.017 178.3)
-
Step 100
100
#D1F3E8
oklch(93.7% 0.038 173.9)
-
Step 200
200
#A7E9D6
oklch(88.4% 0.071 174.8)
-
Step 300
300 (this color)
#59E4C4
oklch(83.5% 0.129 175)
-
Step 400
400
#00BB9C
oklch(70.7% 0.133 175.1)
-
Step 500
500
#00A085
oklch(63% 0.119 175)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#59E4C4 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) | #DCD7C3 | 0.134 |
| Deuteranopia (no green cones) | #C8C8C6 | 0.128 |
| Tritanopia (no blue cones) | #00E7DA | 0.034 |
| Achromatopsia (no color) | #CECECE | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59E4C4
#59E4C4
oklch(83.5% 0.129 175)
- #FFADCC
#FFADCC
oklch(83.5% 0.103 355.2)
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 #59E4C4, closest first.
No curated palette has a color within ΔE 0.04 of #59E4C4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.026
- Aqua Marine #2EE8BB ΔE 0.027
- Light Teal #90E4C1 ΔE 0.043
- Seafoam Blue #78D1B6 ΔE 0.051
- Light Turquoise #7EF4CC ΔE 0.055
- Bright Teal #01F9C6 ΔE 0.059
- Hospital Green #9BE5AA ΔE 0.060
- Medium Turquoise #48D1CC ΔE 0.061
Use #59E4C4 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.