#51EBD2
Closest named color: Turquoise (#40E0D0). oklch(85.3% 0.133 180), rgb(81, 235, 210).
Aa
Black text reads best on this color (14.16:1).
About this color
#51EBD2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.133 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.033 away. Black text reads best on it, at 14.16:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 14.16:1 |
| White text | 1.48:1 |
Values
| HEX | #51EBD2 |
| RGB | rgb(81, 235, 210) |
| HSL | hsl(170, 79%, 62%) |
| OKLCH | oklch(85.3% 0.133 180) |
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 #51EBD2 | 1.48:1 | Fails | Lc -25.4 | Dividers and decoration only |
| Black text on #51EBD2 | 14.16:1 | AAA | Lc 81.4 | Fine for body text |
| #51EBD2 text on white | 1.48:1 | Fails | Lc 22.4 | Dividers and decoration only |
| #51EBD2 text on black | 14.16:1 | AAA | Lc -80.9 | 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
#E6FBF6
oklch(97.1% 0.023 180)
-
Step 100
100
#C7F5EB
oklch(93.5% 0.049 180.5)
-
Step 200
200 (this color)
#51EBD2
oklch(85.3% 0.133 180)
-
Step 300
300
#00DFC4
oklch(81% 0.147 179.8)
-
Step 400
400
#00BAA4
oklch(70.7% 0.128 180.3)
-
Step 500
500
#00A08C
oklch(63.2% 0.115 179.7)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005D51
oklch(42.9% 0.078 180)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#51EBD2 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) | #E1DDD1 | 0.141 |
| Deuteranopia (no green cones) | #CBCDD4 | 0.134 |
| Tritanopia (no blue cones) | #00EFE3 | 0.026 |
| Achromatopsia (no color) | #D4D4D4 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51EBD2
#51EBD2
oklch(85.3% 0.133 180)
- #FFB7CC
#FFB7CC
oklch(85.2% 0.087 360)
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 #51EBD2, closest first.
No curated palette has a color within ΔE 0.04 of #51EBD2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.033
- Aqua Marine #2EE8BB ΔE 0.037
- Bright Aqua #0BF9EA ΔE 0.042
- Light Turquoise #7EF4CC ΔE 0.043
- Light Teal #90E4C1 ΔE 0.046
- Bright Teal #01F9C6 ΔE 0.050
- Bright Light Blue #26F7FD ΔE 0.058
- Bright Turquoise #0FFEF9 ΔE 0.061
Use #51EBD2 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.