#28E5CD
Closest named color: Turquoise (#40E0D0). oklch(83% 0.143 181.3), rgb(40, 229, 205).
Aa
Black text reads best on this color (13.17:1).
About this color
#28E5CD is a light, vivid teal or cyan. In OKLCH its lightness is 83%, its chroma 0.143 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.017 away. Black text reads best on it, at 13.17:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.17:1 |
| White text | 1.59:1 |
Values
| HEX | #28E5CD |
| RGB | rgb(40, 229, 205) |
| HSL | hsl(172, 78%, 53%) |
| OKLCH | oklch(83% 0.143 181.3) |
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 #28E5CD | 1.59:1 | Fails | Lc -29.7 | Dividers and decoration only |
| Black text on #28E5CD | 13.17:1 | AAA | Lc 77.5 | Fine for body text |
| #28E5CD text on white | 1.59:1 | Fails | Lc 26.3 | Dividers and decoration only |
| #28E5CD text on black | 13.17:1 | AAA | Lc -76.7 | 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
#E8FAF6
oklch(97.1% 0.02 181.1)
-
Step 100
100
#CDF4EB
oklch(93.7% 0.042 179.8)
-
Step 200
200
#9DEBDC
oklch(88.5% 0.08 181)
-
Step 300
300 (this color)
#28E5CD
oklch(83% 0.143 181.3)
-
Step 400
400
#00BAA5
oklch(70.7% 0.128 180.9)
-
Step 500
500
#009F8E
oklch(63% 0.113 181.8)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#28E5CD 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) | #DAD7CC | 0.151 |
| Deuteranopia (no green cones) | #C3C6CF | 0.144 |
| Tritanopia (no blue cones) | #00E9DE | 0.023 |
| Achromatopsia (no color) | #CDCDCD | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28E5CD
#28E5CD
oklch(83% 0.143 181.3)
- #FFABC3
#FFABC3
oklch(82.9% 0.102 1)
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 #28E5CD, closest first.
No curated palette has a color within ΔE 0.04 of #28E5CD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.017
- Aqua Marine #2EE8BB ΔE 0.029
- Medium Turquoise #48D1CC ΔE 0.056
- Bright Aqua #0BF9EA ΔE 0.058
- Bright Teal #01F9C6 ΔE 0.060
- Seafoam Blue #78D1B6 ΔE 0.061
- Light Teal #90E4C1 ΔE 0.062
- Aqua Blue #02D8E9 ΔE 0.063
Use #28E5CD 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.