#59FEE9
Closest named color: Bright Turquoise (#0FFEF9). oklch(90.7% 0.139 183.1), rgb(89, 254, 233).
Aa
Black text reads best on this color (16.77:1).
About this color
#59FEE9 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.139 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Turquoise (#0FFEF9), ΔE 0.028 away. Black text reads best on it, at 16.77:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Bright Turquoise (#0FFEF9) |
| Black text | 16.77:1 |
| White text | 1.25:1 |
Values
| HEX | #59FEE9 |
| RGB | rgb(89, 254, 233) |
| HSL | hsl(172, 99%, 67%) |
| OKLCH | oklch(90.7% 0.139 183.1) |
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 #59FEE9 | 1.25:1 | Fails | Lc -14.0 | Not readable |
| Black text on #59FEE9 | 16.77:1 | AAA | Lc 91.5 | Preferred for body text |
| #59FEE9 text on white | 1.25:1 | Fails | Lc 12.1 | Not readable |
| #59FEE9 text on black | 16.77:1 | AAA | Lc -91.9 | Preferred 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
#E5FBF7
oklch(97.1% 0.024 183.8)
-
Step 100
100
#C5F6ED
oklch(93.7% 0.051 182.7)
-
Step 200
200 (this color)
#59FEE9
oklch(90.7% 0.139 183.1)
-
Step 300
300
#00DEC9
oklch(80.9% 0.144 182.9)
-
Step 400
400
#00BAA8
oklch(70.8% 0.126 182.8)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007065
oklch(49% 0.087 183.1)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#59FEE9 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) | #F2F0E8 | 0.147 |
| Deuteranopia (no green cones) | #DADEEB | 0.140 |
| Tritanopia (no blue cones) | #00FFF7 | 0.026 |
| Achromatopsia (no color) | #E6E6E6 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59FEE9
#59FEE9
oklch(90.7% 0.139 183.1)
- #FFD3DD
#FFD3DD
oklch(90.7% 0.051 2.9)
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 #59FEE9, closest first.
No curated palette has a color within ΔE 0.04 of #59FEE9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Turquoise #0FFEF9 ΔE 0.028
- Bright Aqua #0BF9EA ΔE 0.028
- Bright Cyan #41FDFE ΔE 0.031
- Cyan #00FFFF ΔE 0.034
- Aquamarine #7FFFD4 ΔE 0.035
- Light Aqua #8CFFDB ΔE 0.037
- Light Turquoise #7EF4CC ΔE 0.041
- Bright Light Blue #26F7FD ΔE 0.042
Use #59FEE9 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.