#5BD0AA
Closest named color: Medium Aquamarine (#66CDAA). oklch(78% 0.12 168.9), rgb(91, 208, 170).
Aa
Black text reads best on this color (11.04:1).
About this color
#5BD0AA is a medium-light, moderately saturated green. In OKLCH its lightness is 78%, its chroma 0.120 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.011 away. Black text reads best on it, at 11.04:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.04:1 |
| White text | 1.90:1 |
Values
| HEX | #5BD0AA |
| RGB | rgb(91, 208, 170) |
| HSL | hsl(161, 55%, 59%) |
| OKLCH | oklch(78% 0.12 168.9) |
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 #5BD0AA | 1.90:1 | Fails | Lc -40.2 | Non-text elements, placeholder text |
| Black text on #5BD0AA | 11.04:1 | AAA | Lc 68.0 | Content text, not long reading |
| #5BD0AA text on white | 1.90:1 | Fails | Lc 35.9 | Non-text elements, placeholder text |
| #5BD0AA text on black | 11.04:1 | AAA | Lc -66.6 | 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
#ECF9F3
oklch(97.1% 0.016 166.7)
-
Step 100
100
#D4F2E6
oklch(93.6% 0.035 169.5)
-
Step 200
200
#AEE8D1
oklch(88.5% 0.067 168.4)
-
Step 300
300 (this color)
#5BD0AA
oklch(78% 0.12 168.9)
-
Step 400
400
#00BC91
oklch(70.7% 0.142 168.9)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#5BD0AA 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) | #CBC3A8 | 0.122 |
| Deuteranopia (no green cones) | #BAB7AD | 0.118 |
| Tritanopia (no blue cones) | #1BD1C5 | 0.042 |
| Achromatopsia (no color) | #BCBCBC | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BD0AA
#5BD0AA
oklch(78% 0.12 168.9)
- #F197C4
#F197C4
oklch(78.1% 0.121 348.9)
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 #5BD0AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.011
- Seafoam Blue #78D1B6 ΔE 0.031
- Pale Teal #82CBB2 ΔE 0.039
- Emerald #06D6A0 ΔE 0.040
- Medium Turquoise #48D1CC ΔE 0.047
- Turquoise #40E0D0 ΔE 0.056
- Greenblue #23C48B ΔE 0.061
- Dark Turquoise #00CED1 ΔE 0.062
Use #5BD0AA 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.