#5BDBAF
Closest named color: Aqua Marine (#2EE8BB). oklch(80.8% 0.131 167.4), rgb(91, 219, 175).
Aa
Black text reads best on this color (12.19:1).
About this color
#5BDBAF is a light, moderately saturated green. In OKLCH its lightness is 81%, its chroma 0.131 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.036 away. Black text reads best on it, at 12.19:1.
| Hue family | Greens |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.19:1 |
| White text | 1.72:1 |
Values
| HEX | #5BDBAF |
| RGB | rgb(91, 219, 175) |
| HSL | hsl(159, 64%, 61%) |
| OKLCH | oklch(80.8% 0.131 167.4) |
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 #5BDBAF | 1.72:1 | Fails | Lc -34.6 | Non-text elements, placeholder text |
| Black text on #5BDBAF | 12.19:1 | AAA | Lc 73.1 | Content text, not long reading |
| #5BDBAF text on white | 1.72:1 | Fails | Lc 30.8 | Non-text elements, placeholder text |
| #5BDBAF text on black | 12.19:1 | AAA | Lc -72.0 | 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
#EBF9F3
oklch(97% 0.017 168.5)
-
Step 100
100
#D3F2E5
oklch(93.5% 0.037 168.4)
-
Step 200
200
#ABE9CF
oklch(88.5% 0.072 166.9)
-
Step 300
300 (this color)
#5BDBAF
oklch(80.8% 0.131 167.4)
-
Step 400
400
#00BC8E
oklch(70.6% 0.144 167.5)
-
Step 500
500
#00A279
oklch(63.2% 0.13 167)
-
Step 600
600
#008866
oklch(55.6% 0.113 167.6)
-
Step 700
700
#007255
oklch(49% 0.1 167.6)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#5BDBAF 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) | #D6CDAD | 0.131 |
| Deuteranopia (no green cones) | #C4C0B2 | 0.127 |
| Tritanopia (no blue cones) | #01DCCE | 0.047 |
| Achromatopsia (no color) | #C5C5C5 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BDBAF
#5BDBAF
oklch(80.8% 0.131 167.4)
- #FE9CD0
#FE9CD0
oklch(80.8% 0.132 347.4)
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 #5BDBAF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.036
- Medium Aquamarine #66CDAA ΔE 0.038
- Seafoam Blue #78D1B6 ΔE 0.038
- Emerald #06D6A0 ΔE 0.042
- Turquoise #40E0D0 ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.053
- Aqua Green #12E193 ΔE 0.056
- Medium Turquoise #48D1CC ΔE 0.058
Use #5BDBAF 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.