#5BD4A6
Closest named color: Medium Aquamarine (#66CDAA). oklch(78.9% 0.128 165.3), rgb(91, 212, 166).
Aa
Black text reads best on this color (11.41:1).
About this color
#5BD4A6 is a light, moderately saturated green. In OKLCH its lightness is 79%, its chroma 0.128 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.023 away. Black text reads best on it, at 11.41:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.41:1 |
| White text | 1.84:1 |
Values
| HEX | #5BD4A6 |
| RGB | rgb(91, 212, 166) |
| HSL | hsl(157, 58%, 59%) |
| OKLCH | oklch(78.9% 0.128 165.3) |
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 #5BD4A6 | 1.84:1 | Fails | Lc -38.4 | Non-text elements, placeholder text |
| Black text on #5BD4A6 | 11.41:1 | AAA | Lc 69.6 | Content text, not long reading |
| #5BD4A6 text on white | 1.84:1 | Fails | Lc 34.3 | Non-text elements, placeholder text |
| #5BD4A6 text on black | 11.41:1 | AAA | Lc -68.3 | 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
#D4F2E4
oklch(93.6% 0.037 165.8)
-
Step 200
200
#ADE9CE
oklch(88.6% 0.072 165.3)
-
Step 300
300 (this color)
#5BD4A6
oklch(78.9% 0.128 165.3)
-
Step 400
400
#00BD8A
oklch(70.8% 0.148 165.3)
-
Step 500
500
#00A276
oklch(63.1% 0.132 165.5)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#5BD4A6 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) | #D0C6A4 | 0.128 |
| Deuteranopia (no green cones) | #BFBAA9 | 0.123 |
| Tritanopia (no blue cones) | #1ED4C7 | 0.049 |
| Achromatopsia (no color) | #BFBFBF | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BD4A6
#5BD4A6
oklch(78.9% 0.128 165.3)
- #F598CC
#F598CC
oklch(79% 0.128 345.8)
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 #5BD4A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.023
- Emerald #06D6A0 ΔE 0.033
- Seafoam Blue #78D1B6 ΔE 0.037
- Pale Teal #82CBB2 ΔE 0.047
- Aqua Marine #2EE8BB ΔE 0.053
- Turquoise #40E0D0 ΔE 0.056
- Medium Turquoise #48D1CC ΔE 0.057
- Aqua Green #12E193 ΔE 0.058
Use #5BD4A6 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.