#45E3DC
Closest named color: Turquoise (#40E0D0). oklch(83.4% 0.128 190.6), rgb(69, 227, 220).
Aa
Black text reads best on this color (13.27:1).
About this color
#45E3DC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.128 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.018 away. Black text reads best on it, at 13.27:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 13.27:1 |
| White text | 1.58:1 |
Values
| HEX | #45E3DC |
| RGB | rgb(69, 227, 220) |
| HSL | hsl(177, 74%, 58%) |
| OKLCH | oklch(83.4% 0.128 190.6) |
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 #45E3DC | 1.58:1 | Fails | Lc -29.4 | Dividers and decoration only |
| Black text on #45E3DC | 13.27:1 | AAA | Lc 77.7 | Fine for body text |
| #45E3DC text on white | 1.58:1 | Fails | Lc 26.0 | Dividers and decoration only |
| #45E3DC text on black | 13.27:1 | AAA | Lc -77.0 | 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
#E9F9F8
oklch(97% 0.017 192.4)
-
Step 100
100
#CFF2EF
oklch(93.5% 0.037 190.2)
-
Step 200
200
#A1E9E4
oklch(88.5% 0.072 190.5)
-
Step 300
300 (this color)
#45E3DC
oklch(83.4% 0.128 190.6)
-
Step 400
400
#00B8B2
oklch(70.6% 0.122 190.6)
-
Step 500
500
#009E99
oklch(63.1% 0.109 190.8)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#45E3DC 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) | #D6D7DC | 0.136 |
| Deuteranopia (no green cones) | #BFC6DD | 0.128 |
| Tritanopia (no blue cones) | #00E9E0 | 0.019 |
| Achromatopsia (no color) | #CDCDCD | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45E3DC
#45E3DC
oklch(83.4% 0.128 190.6)
- #FFB0BA
#FFB0BA
oklch(83.5% 0.093 10.9)
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 #45E3DC, closest first.
No curated palette has a color within ΔE 0.04 of #45E3DC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.018
- Aqua Blue #02D8E9 ΔE 0.045
- Medium Turquoise #48D1CC ΔE 0.049
- Aqua Marine #2EE8BB ΔE 0.054
- Bright Aqua #0BF9EA ΔE 0.057
- Robin's Egg #6DEDFD ΔE 0.058
- Bright Light Blue #26F7FD ΔE 0.059
- Light Teal #90E4C1 ΔE 0.061
Use #45E3DC 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.