#57F9F5
Closest named color: Bright Cyan (#41FDFE). oklch(89.8% 0.133 192.7), rgb(87, 249, 245).
Aa
Black text reads best on this color (16.27:1).
About this color
#57F9F5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.133 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Cyan (#41FDFE), ΔE 0.014 away. Black text reads best on it, at 16.27:1.
| Hue family | Teals and cyans |
| Lightness | light (90%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Bright Cyan (#41FDFE) |
| Black text | 16.27:1 |
| White text | 1.29:1 |
Values
| HEX | #57F9F5 |
| RGB | rgb(87, 249, 245) |
| HSL | hsl(179, 93%, 66%) |
| OKLCH | oklch(89.8% 0.133 192.7) |
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 #57F9F5 | 1.29:1 | Fails | Lc -16.2 | Dividers and decoration only |
| Black text on #57F9F5 | 16.27:1 | AAA | Lc 89.6 | Fine for body text |
| #57F9F5 text on white | 1.29:1 | Fails | Lc 14.0 | Not readable |
| #57F9F5 text on black | 16.27:1 | AAA | Lc -89.8 | 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 200.
-
Step 50
50
#E5FBF9
oklch(97.1% 0.023 190.2)
-
Step 100
100
#C5F5F3
oklch(93.6% 0.049 193.2)
-
Step 200
200 (this color)
#57F9F5
oklch(89.8% 0.133 192.7)
-
Step 300
300
#00DCD9
oklch(80.9% 0.139 193)
-
Step 400
400
#00B8B5
oklch(70.8% 0.121 192.7)
-
Step 500
500
#009E9B
oklch(63.2% 0.108 192.4)
-
Step 600
600
#008482
oklch(55.5% 0.095 192.9)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#57F9F5 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) | #EAEDF5 | 0.139 |
| Deuteranopia (no green cones) | #D2DBF6 | 0.130 |
| Tritanopia (no blue cones) | #00FFF7 | 0.024 |
| Achromatopsia (no color) | #E2E2E2 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57F9F5
#57F9F5
oklch(89.8% 0.133 192.7)
- #FFD0D3
#FFD0D3
oklch(89.9% 0.053 13.9)
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 #57F9F5, closest first.
No curated palette has a color within ΔE 0.04 of #57F9F5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Cyan #41FDFE ΔE 0.014
- Bright Turquoise #0FFEF9 ΔE 0.021
- Bright Light Blue #26F7FD ΔE 0.022
- Cyan #00FFFF ΔE 0.024
- Bright Aqua #0BF9EA ΔE 0.029
- Robin's Egg #6DEDFD ΔE 0.039
- Robin Egg Blue #8AF1FE ΔE 0.044
- Robin's Egg Blue #98EFF9 ΔE 0.053
Use #57F9F5 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.