#59E4E9
Closest named color: Robin's Egg (#6DEDFD). oklch(84.6% 0.119 198.5), rgb(89, 228, 233).
Aa
Black text reads best on this color (13.69:1).
About this color
#59E4E9 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.119 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.038 away. Black text reads best on it, at 13.69:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 13.69:1 |
| White text | 1.53:1 |
Values
| HEX | #59E4E9 |
| RGB | rgb(89, 228, 233) |
| HSL | hsl(182, 77%, 63%) |
| OKLCH | oklch(84.6% 0.119 198.5) |
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 #59E4E9 | 1.53:1 | Fails | Lc -27.6 | Dividers and decoration only |
| Black text on #59E4E9 | 13.69:1 | AAA | Lc 79.4 | Fine for body text |
| #59E4E9 text on white | 1.53:1 | Fails | Lc 24.3 | Dividers and decoration only |
| #59E4E9 text on black | 13.69:1 | AAA | Lc -78.8 | 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
#EAF9F9
oklch(97.1% 0.016 196.9)
-
Step 100
100
#D0F1F2
oklch(93.5% 0.034 198.8)
-
Step 200
200
#A5E7E9
oklch(88.5% 0.066 198.4)
-
Step 300
300 (this color)
#59E4E9
oklch(84.6% 0.119 198.5)
-
Step 400
400
#00B7BC
oklch(70.8% 0.12 198.3)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#59E4E9 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) | #D5DAEA | 0.122 |
| Deuteranopia (no green cones) | #BFCAEA | 0.113 |
| Tritanopia (no blue cones) | #00EBE5 | 0.032 |
| Achromatopsia (no color) | #D1D1D1 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59E4E9
#59E4E9
oklch(84.6% 0.119 198.5)
- #FFB7B7
#FFB7B7
oklch(84.7% 0.084 19)
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 #59E4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.038
- Turquoise #40E0D0 ΔE 0.039
- Aqua Blue #02D8E9 ΔE 0.047
- Bright Light Blue #26F7FD ΔE 0.050
- Bright Aqua #0BF9EA ΔE 0.059
- Robin Egg Blue #8AF1FE ΔE 0.060
- Medium Turquoise #48D1CC ΔE 0.061
- Light Teal #90E4C1 ΔE 0.065
Use #59E4E9 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.