#56C4B3
Closest named color: Medium Aquamarine (#66CDAA). oklch(75.2% 0.104 181.7), rgb(86, 196, 179).
Aa
Black text reads best on this color (9.94:1).
About this color
#56C4B3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.104 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.035 away. Black text reads best on it, at 9.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.94:1 |
| White text | 2.11:1 |
Values
| HEX | #56C4B3 |
| RGB | rgb(86, 196, 179) |
| HSL | hsl(171, 48%, 55%) |
| OKLCH | oklch(75.2% 0.104 181.7) |
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 #56C4B3 | 2.11:1 | Fails | Lc -45.8 | Large or bold text, headings |
| Black text on #56C4B3 | 9.94:1 | AAA | Lc 62.8 | Content text, not long reading |
| #56C4B3 text on white | 2.11:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #56C4B3 text on black | 9.94:1 | AAA | Lc -61.1 | 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 400.
-
Step 50
50
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DDEEEB
oklch(93.6% 0.018 184.3)
-
Step 200
200
#C0E1DB
oklch(88.4% 0.036 183.3)
-
Step 300
300
#91CFC3
oklch(80.9% 0.066 181.2)
-
Step 400
400 (this color)
#56C4B3
oklch(75.2% 0.104 181.7)
-
Step 500
500
#009F8E
oklch(63% 0.113 181.8)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#56C4B3 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) | #BCBAB2 | 0.110 |
| Deuteranopia (no green cones) | #ABADB5 | 0.105 |
| Tritanopia (no blue cones) | #00C7BF | 0.030 |
| Achromatopsia (no color) | #B2B2B2 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56C4B3
#56C4B3
oklch(75.2% 0.104 181.7)
- #E592AA
#E592AA
oklch(75.1% 0.104 1.2)
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 #56C4B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.035
- Medium Turquoise #48D1CC ΔE 0.042
- Topaz #13BBAF ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.046
- Seafoam Blue #78D1B6 ΔE 0.049
- Greeny Blue #42B395 ΔE 0.060
- Dark Sea Green #8FBC8F ΔE 0.063
Use #56C4B3 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.