#5BCDAB
Closest named color: Medium Aquamarine (#66CDAA). oklch(77.3% 0.116 170.8), rgb(91, 205, 171).
Aa
Black text reads best on this color (10.76:1).
About this color
#5BCDAB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.116 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.008 away. Black text reads best on it, at 10.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.76:1 |
| White text | 1.95:1 |
Values
| HEX | #5BCDAB |
| RGB | rgb(91, 205, 171) |
| HSL | hsl(162, 53%, 58%) |
| OKLCH | oklch(77.3% 0.116 170.8) |
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 #5BCDAB | 1.95:1 | Fails | Lc -41.6 | Non-text elements, placeholder text |
| Black text on #5BCDAB | 10.76:1 | AAA | Lc 66.7 | Content text, not long reading |
| #5BCDAB text on white | 1.95:1 | Fails | Lc 37.2 | Non-text elements, placeholder text |
| #5BCDAB text on black | 10.76:1 | AAA | Lc -65.2 | 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
#ECF9F4
oklch(97.1% 0.015 171.1)
-
Step 100
100
#D5F2E7
oklch(93.7% 0.034 170.7)
-
Step 200
200
#AFE8D3
oklch(88.6% 0.065 170.1)
-
Step 300
300 (this color)
#5BCDAB
oklch(77.3% 0.116 170.8)
-
Step 400
400
#00BC95
oklch(70.8% 0.139 170.9)
-
Step 500
500
#00A17F
oklch(63.1% 0.124 170.8)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#5BCDAB 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) | #C8C1A9 | 0.119 |
| Deuteranopia (no green cones) | #B7B4AD | 0.115 |
| Tritanopia (no blue cones) | #1CCEC3 | 0.039 |
| Achromatopsia (no color) | #BABABA | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BCDAB
#5BCDAB
oklch(77.3% 0.116 170.8)
- #ED96BE
#ED96BE
oklch(77.3% 0.115 351)
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 #5BCDAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.008
- Seafoam Blue #78D1B6 ΔE 0.032
- Pale Teal #82CBB2 ΔE 0.037
- Medium Turquoise #48D1CC ΔE 0.044
- Emerald #06D6A0 ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.057
- Greenblue #23C48B ΔE 0.059
- Turquoise #40E0D0 ΔE 0.060
Use #5BCDAB 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.