#57E2FB
Closest named color: Robin's Egg (#6DEDFD). oklch(84.7% 0.123 211.7), rgb(87, 226, 251).
Aa
Black text reads best on this color (13.67:1).
About this color
#57E2FB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.123 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg (#6DEDFD), ΔE 0.035 away. Black text reads best on it, at 13.67:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Robin's Egg (#6DEDFD) |
| Black text | 13.67:1 |
| White text | 1.53:1 |
Values
| HEX | #57E2FB |
| RGB | rgb(87, 226, 251) |
| HSL | hsl(189, 95%, 66%) |
| OKLCH | oklch(84.7% 0.123 211.7) |
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 #57E2FB | 1.53:1 | Fails | Lc -27.7 | Dividers and decoration only |
| Black text on #57E2FB | 13.67:1 | AAA | Lc 79.3 | Fine for body text |
| #57E2FB text on white | 1.53:1 | Fails | Lc 24.4 | Dividers and decoration only |
| #57E2FB text on black | 13.67:1 | AAA | Lc -78.7 | 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
#E6FAFE
oklch(97.2% 0.022 211)
-
Step 100
100
#C8F3FC
oklch(93.7% 0.046 211.8)
-
Step 200
200 (this color)
#57E2FB
oklch(84.7% 0.123 211.7)
-
Step 300
300
#00D8F5
oklch(81% 0.141 211.7)
-
Step 400
400
#00B4CD
oklch(70.7% 0.123 212.1)
-
Step 500
500
#009AB0
oklch(63% 0.11 212.4)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#57E2FB 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) | #CEDAFD | 0.114 |
| Deuteranopia (no green cones) | #B6C9FB | 0.103 |
| Tritanopia (no blue cones) | #00ECEA | 0.048 |
| Achromatopsia (no color) | #D0D0D0 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57E2FB
#57E2FB
oklch(84.7% 0.123 211.7)
- #FFB9AB
#FFB9AB
oklch(84.7% 0.084 31.6)
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 #57E2FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg #6DEDFD ΔE 0.035
- Aqua Blue #02D8E9 ΔE 0.047
- Bright Light Blue #26F7FD ΔE 0.057
- Sky Blue #87CEEB ΔE 0.058
- Robin Egg Blue #8AF1FE ΔE 0.059
- Light Sky Blue #87CEFA ΔE 0.061
- Turquoise #40E0D0 ΔE 0.064
- Robin's Egg Blue #98EFF9 ΔE 0.066
Use #57E2FB 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.