#28FEF8
Closest named color: Bright Turquoise (#0FFEF9). oklch(90.3% 0.15 191.7), rgb(40, 254, 248).
Aa
Black text reads best on this color (16.62:1).
About this color
#28FEF8 is a very light, vivid teal or cyan. In OKLCH its lightness is 90%, its chroma 0.150 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Turquoise (#0FFEF9), ΔE 0.004 away. Black text reads best on it, at 16.62:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Bright Turquoise (#0FFEF9) |
| Black text | 16.62:1 |
| White text | 1.26:1 |
Values
| HEX | #28FEF8 |
| RGB | rgb(40, 254, 248) |
| HSL | hsl(178, 99%, 58%) |
| OKLCH | oklch(90.3% 0.15 191.7) |
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 #28FEF8 | 1.26:1 | Fails | Lc -14.4 | Not readable |
| Black text on #28FEF8 | 16.62:1 | AAA | Lc 91.1 | Preferred for body text |
| #28FEF8 text on white | 1.26:1 | Fails | Lc 12.5 | Not readable |
| #28FEF8 text on black | 16.62:1 | AAA | Lc -91.5 | Preferred 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
#E3FBFA
oklch(97% 0.025 193.7)
-
Step 100
100
#BFF6F3
oklch(93.5% 0.056 192.1)
-
Step 200
200 (this color)
#28FEF8
oklch(90.3% 0.15 191.7)
-
Step 300
300
#00DCD7
oklch(80.8% 0.139 191.8)
-
Step 400
400
#00B8B4
oklch(70.7% 0.121 192)
-
Step 500
500
#009E9A
oklch(63.2% 0.109 191.6)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706D
oklch(49.2% 0.085 191.5)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#28FEF8 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) | #EEF0F8 | 0.159 |
| Deuteranopia (no green cones) | #D2DCFA | 0.149 |
| Tritanopia (no blue cones) | #00FFFC | 0.006 |
| Achromatopsia (no color) | #E5E5E5 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28FEF8
#28FEF8
oklch(90.3% 0.15 191.7)
- #FFD2D6
#FFD2D6
oklch(90.3% 0.051 12.1)
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 #28FEF8, closest first.
No curated palette has a color within ΔE 0.04 of #28FEF8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Turquoise #0FFEF9 ΔE 0.004
- Cyan #00FFFF ΔE 0.009
- Bright Cyan #41FDFE ΔE 0.013
- Bright Aqua #0BF9EA ΔE 0.022
- Bright Light Blue #26F7FD ΔE 0.023
- Robin's Egg #6DEDFD ΔE 0.054
- Aquamarine #7FFFD4 ΔE 0.060
- Light Aqua #8CFFDB ΔE 0.061
Use #28FEF8 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.