#59FFEE
Closest named color: Bright Turquoise (#0FFEF9). oklch(91.1% 0.138 185.4), rgb(89, 255, 238).
Aa
Black text reads best on this color (16.96:1).
About this color
#59FFEE is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.138 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Turquoise (#0FFEF9), ΔE 0.025 away. Black text reads best on it, at 16.96:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Bright Turquoise (#0FFEF9) |
| Black text | 16.96:1 |
| White text | 1.23:1 |
Values
| HEX | #59FFEE |
| RGB | rgb(89, 255, 238) |
| HSL | hsl(174, 100%, 67%) |
| OKLCH | oklch(91.1% 0.138 185.4) |
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 #59FFEE | 1.23:1 | Fails | Lc -13.2 | Not readable |
| Black text on #59FFEE | 16.96:1 | AAA | Lc 92.2 | Preferred for body text |
| #59FFEE text on white | 1.23:1 | Fails | Lc 11.4 | Not readable |
| #59FFEE text on black | 16.96:1 | AAA | Lc -92.6 | 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 100.
-
Step 50
50
#E5FBF8
oklch(97.1% 0.023 186.9)
-
Step 100
100 (this color)
#59FFEE
oklch(91.1% 0.138 185.4)
-
Step 200
200
#88EFE2
oklch(88.6% 0.099 185.1)
-
Step 300
300
#00DECD
oklch(81% 0.143 185.1)
-
Step 400
400
#00B9AB
oklch(70.7% 0.124 185.3)
-
Step 500
500
#009F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#59FFEE 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) | #F3F1EE | 0.147 |
| Deuteranopia (no green cones) | #DADFF0 | 0.139 |
| Tritanopia (no blue cones) | #00FFFA | 0.025 |
| Achromatopsia (no color) | #E7E7E7 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59FFEE
#59FFEE
oklch(91.1% 0.138 185.4)
- #FFD5DD
#FFD5DD
oklch(91.1% 0.048 5.2)
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 #59FFEE, closest first.
No curated palette has a color within ΔE 0.04 of #59FFEE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Turquoise #0FFEF9 ΔE 0.025
- Bright Cyan #41FDFE ΔE 0.026
- Cyan #00FFFF ΔE 0.030
- Bright Aqua #0BF9EA ΔE 0.031
- Light Aqua #8CFFDB ΔE 0.039
- Aquamarine #7FFFD4 ΔE 0.039
- Bright Light Blue #26F7FD ΔE 0.040
- Light Turquoise #7EF4CC ΔE 0.046
Use #59FFEE 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.