#45DDDC
Closest named color: Turquoise (#40E0D0). oklch(82% 0.124 194.4), rgb(69, 221, 220).
Aa
Black text reads best on this color (12.62:1).
About this color
#45DDDC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.124 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.022 away. Black text reads best on it, at 12.62:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.62:1 |
| White text | 1.66:1 |
Values
| HEX | #45DDDC |
| RGB | rgb(69, 221, 220) |
| HSL | hsl(180, 69%, 57%) |
| OKLCH | oklch(82% 0.124 194.4) |
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 #45DDDC | 1.66:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #45DDDC | 12.62:1 | AAA | Lc 75.0 | Fine for body text |
| #45DDDC text on white | 1.66:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #45DDDC text on black | 12.62:1 | AAA | Lc -74.1 | 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
#E9F9F9
oklch(97% 0.017 196.9)
-
Step 100
100
#CFF2F1
oklch(93.6% 0.036 194.4)
-
Step 200
200
#A3E8E7
oklch(88.5% 0.069 194.8)
-
Step 300
300 (this color)
#45DDDC
oklch(82% 0.124 194.4)
-
Step 400
400
#00B8B7
oklch(70.8% 0.121 194.1)
-
Step 500
500
#009D9D
oklch(63% 0.108 194.8)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#45DDDC 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) | #CFD2DC | 0.130 |
| Deuteranopia (no green cones) | #B8C2DD | 0.120 |
| Tritanopia (no blue cones) | #00E4DC | 0.023 |
| Achromatopsia (no color) | #C9C9C9 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45DDDC
#45DDDC
oklch(82% 0.124 194.4)
- #FFA9B0
#FFA9B0
oklch(82.1% 0.102 14.2)
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 #45DDDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.022
- Aqua Blue #02D8E9 ΔE 0.031
- Medium Turquoise #48D1CC ΔE 0.035
- Dark Turquoise #00CED1 ΔE 0.049
- Seafoam Blue #78D1B6 ΔE 0.056
- Aqua Marine #2EE8BB ΔE 0.065
- Robin's Egg #6DEDFD ΔE 0.065
- Tiffany Blue #94D2BD ΔE 0.066
Use #45DDDC 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.