#28DEC2
Closest named color: Turquoise (#40E0D0). oklch(80.9% 0.142 178.8), rgb(40, 222, 194).
Aa
Black text reads best on this color (12.31:1).
About this color
#28DEC2 is a light, vivid teal or cyan. In OKLCH its lightness is 81%, its chroma 0.142 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.023 away. Black text reads best on it, at 12.31:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.31:1 |
| White text | 1.70:1 |
Values
| HEX | #28DEC2 |
| RGB | rgb(40, 222, 194) |
| HSL | hsl(171, 73%, 51%) |
| OKLCH | oklch(80.9% 0.142 178.8) |
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 #28DEC2 | 1.70:1 | Fails | Lc -33.8 | Non-text elements, placeholder text |
| Black text on #28DEC2 | 12.31:1 | AAA | Lc 73.8 | Content text, not long reading |
| #28DEC2 text on white | 1.70:1 | Fails | Lc 30.0 | Dividers and decoration only |
| #28DEC2 text on black | 12.31:1 | AAA | Lc -72.8 | Content text, not long reading |
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
#E9FAF5
oklch(97.1% 0.019 176.5)
-
Step 100
100
#CEF3EA
oklch(93.5% 0.04 179)
-
Step 200
200
#9FEBDA
oklch(88.6% 0.079 178.8)
-
Step 300
300 (this color)
#28DEC2
oklch(80.9% 0.142 178.8)
-
Step 400
400
#00BAA2
oklch(70.6% 0.129 179.1)
-
Step 500
500
#00A08A
oklch(63.2% 0.116 178.3)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#28DEC2 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) | #D4D0C1 | 0.149 |
| Deuteranopia (no green cones) | #BEBFC4 | 0.143 |
| Tritanopia (no blue cones) | #00E2D6 | 0.026 |
| Achromatopsia (no color) | #C6C6C6 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28DEC2
#28DEC2
oklch(80.9% 0.142 178.8)
- #FFA0BF
#FFA0BF
oklch(81% 0.118 359)
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 #28DEC2, closest first.
No curated palette has a color within ΔE 0.04 of #28DEC2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.023
- Aqua Marine #2EE8BB ΔE 0.033
- Medium Turquoise #48D1CC ΔE 0.044
- Emerald #06D6A0 ΔE 0.048
- Seafoam Blue #78D1B6 ΔE 0.050
- Medium Aquamarine #66CDAA ΔE 0.051
- Dark Turquoise #00CED1 ΔE 0.057
- Aqua Blue #02D8E9 ΔE 0.063
Use #28DEC2 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.