#28E2D8
Closest named color: Turquoise (#40E0D0). oklch(82.6% 0.137 189), rgb(40, 226, 216).
Aa
Black text reads best on this color (12.96:1).
About this color
#28E2D8 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.137 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.012 away. Black text reads best on it, at 12.96:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.96:1 |
| White text | 1.62:1 |
Values
| HEX | #28E2D8 |
| RGB | rgb(40, 226, 216) |
| HSL | hsl(177, 76%, 52%) |
| OKLCH | oklch(82.6% 0.137 189) |
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 #28E2D8 | 1.62:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #28E2D8 | 12.96:1 | AAA | Lc 76.6 | Fine for body text |
| #28E2D8 text on white | 1.62:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #28E2D8 text on black | 12.96:1 | AAA | Lc -75.7 | 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 300.
-
Step 50
50
#E8FAF8
oklch(97.1% 0.019 188.8)
-
Step 100
100
#CDF3EF
oklch(93.6% 0.04 188.7)
-
Step 200
200
#9DEAE3
oklch(88.5% 0.077 188.7)
-
Step 300
300 (this color)
#28E2D8
oklch(82.6% 0.137 189)
-
Step 400
400
#00B8B0
oklch(70.6% 0.122 189.3)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#28E2D8 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) | #D5D5D8 | 0.146 |
| Deuteranopia (no green cones) | #BCC4DA | 0.136 |
| Tritanopia (no blue cones) | #00E8DF | 0.016 |
| Achromatopsia (no color) | #CBCBCB | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28E2D8
#28E2D8
oklch(82.6% 0.137 189)
- #FFABB8
#FFABB8
oklch(82.6% 0.1 9.3)
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 #28E2D8, closest first.
No curated palette has a color within ΔE 0.04 of #28E2D8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.012
- Aqua Blue #02D8E9 ΔE 0.043
- Medium Turquoise #48D1CC ΔE 0.045
- Aqua Marine #2EE8BB ΔE 0.049
- Dark Turquoise #00CED1 ΔE 0.057
- Seafoam Blue #78D1B6 ΔE 0.061
- Bright Aqua #0BF9EA ΔE 0.061
- Bright Light Blue #26F7FD ΔE 0.067
Use #28E2D8 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.