#59F0F8
Closest named color: Robin's Egg (#6DEDFD). oklch(87.9% 0.126 200.1), rgb(89, 240, 248).
Aa
Black text reads best on this color (15.24:1).
About this color
#59F0F8 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.126 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.017 away. Black text reads best on it, at 15.24:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 15.24:1 |
| White text | 1.37:1 |
Values
| HEX | #59F0F8 |
| RGB | rgb(89, 240, 248) |
| HSL | hsl(183, 92%, 66%) |
| OKLCH | oklch(87.9% 0.126 200.1) |
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 #59F0F8 | 1.37:1 | Fails | Lc -20.7 | Dividers and decoration only |
| Black text on #59F0F8 | 15.24:1 | AAA | Lc 85.6 | Fine for body text |
| #59F0F8 text on white | 1.37:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #59F0F8 text on black | 15.24:1 | AAA | Lc -85.5 | 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 200.
-
Step 50
50
#E6FAFB
oklch(97.1% 0.021 200.4)
-
Step 100
100
#C6F4F6
oklch(93.6% 0.047 199.7)
-
Step 200
200 (this color)
#59F0F8
oklch(87.9% 0.126 200.1)
-
Step 300
300
#00DBE4
oklch(81% 0.138 200.1)
-
Step 400
400
#00B6BE
oklch(70.6% 0.12 200.4)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008389
oklch(55.5% 0.094 200.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#59F0F8 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) | #DFE6F9 | 0.128 |
| Deuteranopia (no green cones) | #C7D4F9 | 0.119 |
| Tritanopia (no blue cones) | #00F8F2 | 0.034 |
| Achromatopsia (no color) | #DCDCDC | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59F0F8
#59F0F8
oklch(87.9% 0.126 200.1)
- #FFC7C6
#FFC7C6
oklch(87.9% 0.064 19.6)
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 #59F0F8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.017
- Bright Light Blue #26F7FD ΔE 0.023
- Bright Cyan #41FDFE ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.037
- Bright Turquoise #0FFEF9 ΔE 0.040
- Cyan #00FFFF ΔE 0.041
- Bright Aqua #0BF9EA ΔE 0.042
- Robin's Egg Blue #98EFF9 ΔE 0.047
Use #59F0F8 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.