#51EAD7
Closest named color: Turquoise (#40E0D0). oklch(85.2% 0.13 183.4), rgb(81, 234, 215).
Aa
Black text reads best on this color (14.10:1).
About this color
#51EAD7 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 85%, its chroma 0.130 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.030 away. Black text reads best on it, at 14.10:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 14.10:1 |
| White text | 1.48:1 |
Values
| HEX | #51EAD7 |
| RGB | rgb(81, 234, 215) |
| HSL | hsl(173, 78%, 62%) |
| OKLCH | oklch(85.2% 0.13 183.4) |
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 #51EAD7 | 1.48:1 | Fails | Lc -25.7 | Dividers and decoration only |
| Black text on #51EAD7 | 14.10:1 | AAA | Lc 81.1 | Fine for body text |
| #51EAD7 text on white | 1.48:1 | Fails | Lc 22.6 | Dividers and decoration only |
| #51EAD7 text on black | 14.10:1 | AAA | Lc -80.6 | 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
#E6FBF7
oklch(97.2% 0.023 183.2)
-
Step 100
100
#C7F5ED
oklch(93.6% 0.048 183.5)
-
Step 200
200 (this color)
#51EAD7
oklch(85.2% 0.13 183.4)
-
Step 300
300
#00DECA
oklch(80.9% 0.144 183.5)
-
Step 400
400
#00B9A8
oklch(70.6% 0.125 183.4)
-
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
#007066
oklch(49% 0.087 184.2)
-
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)
#51EAD7 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) | #DFDDD6 | 0.138 |
| Deuteranopia (no green cones) | #C9CDD9 | 0.131 |
| Tritanopia (no blue cones) | #00EFE4 | 0.024 |
| Achromatopsia (no color) | #D4D4D4 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51EAD7
#51EAD7
oklch(85.2% 0.13 183.4)
- #FFB8C9
#FFB8C9
oklch(85.3% 0.085 3.2)
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 #51EAD7, closest first.
No curated palette has a color within ΔE 0.04 of #51EAD7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.030
- Bright Aqua #0BF9EA ΔE 0.041
- Aqua Marine #2EE8BB ΔE 0.043
- Light Turquoise #7EF4CC ΔE 0.048
- Light Teal #90E4C1 ΔE 0.048
- Bright Light Blue #26F7FD ΔE 0.053
- Bright Teal #01F9C6 ΔE 0.057
- Robin's Egg #6DEDFD ΔE 0.058
Use #51EAD7 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.