#45CAA4
Closest named color: Medium Aquamarine (#66CDAA). oklch(75.7% 0.128 170.2), rgb(69, 202, 164).
Aa
Black text reads best on this color (10.23:1).
About this color
#45CAA4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.128 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.027 away. Black text reads best on it, at 10.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.23:1 |
| White text | 2.05:1 |
Values
| HEX | #45CAA4 |
| RGB | rgb(69, 202, 164) |
| HSL | hsl(163, 56%, 53%) |
| OKLCH | oklch(75.7% 0.128 170.2) |
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 #45CAA4 | 2.05:1 | Fails | Lc -44.1 | Non-text elements, placeholder text |
| Black text on #45CAA4 | 10.23:1 | AAA | Lc 64.3 | Content text, not long reading |
| #45CAA4 text on white | 2.05:1 | Fails | Lc 39.6 | Non-text elements, placeholder text |
| #45CAA4 text on black | 10.23:1 | AAA | Lc -62.7 | 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 400.
-
Step 50
50
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE7
oklch(93.6% 0.023 168.7)
-
Step 200
200
#BDE3D5
oklch(88.5% 0.044 170.9)
-
Step 300
300
#8BD2B9
oklch(81% 0.08 170.1)
-
Step 400
400 (this color)
#45CAA4
oklch(75.7% 0.128 170.2)
-
Step 500
500
#00A17E
oklch(63.1% 0.125 170.2)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#45CAA4 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) | #C4BDA2 | 0.130 |
| Deuteranopia (no green cones) | #B2B0A7 | 0.125 |
| Tritanopia (no blue cones) | #00CBBF | 0.039 |
| Achromatopsia (no color) | #B5B5B5 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45CAA4
#45CAA4
oklch(75.7% 0.128 170.2)
- #ED8DBB
#ED8DBB
oklch(75.7% 0.128 350.4)
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 #45CAA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.027
- Emerald #06D6A0 ΔE 0.039
- Greenblue #23C48B ΔE 0.041
- Green Blue #01C08D ΔE 0.047
- Seafoam Blue #78D1B6 ΔE 0.052
- Pale Teal #82CBB2 ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.055
- Topaz #13BBAF ΔE 0.056
Use #45CAA4 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.