#5BBDA8
Closest named color: Topaz (#13BBAF). oklch(73.3% 0.098 177.5), rgb(91, 189, 168).
Aa
Black text reads best on this color (9.28:1).
About this color
#5BBDA8 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.098 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.036 away. Black text reads best on it, at 9.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.28:1 |
| White text | 2.26:1 |
Values
| HEX | #5BBDA8 |
| RGB | rgb(91, 189, 168) |
| HSL | hsl(167, 43%, 55%) |
| OKLCH | oklch(73.3% 0.098 177.5) |
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 #5BBDA8 | 2.26:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #5BBDA8 | 9.28:1 | AAA | Lc 59.6 | Large or bold text, headings |
| #5BBDA8 text on white | 2.26:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #5BBDA8 text on black | 9.28:1 | AAA | Lc -57.8 | Large or bold text, headings |
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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DEEEEA
oklch(93.6% 0.018 179.3)
-
Step 200
200
#C2E1D9
oklch(88.5% 0.034 178.2)
-
Step 300
300
#96CEC0
oklch(80.9% 0.061 177.5)
-
Step 400
400 (this color)
#5BBDA8
oklch(73.3% 0.098 177.5)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#5BBDA8 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) | #B7B3A7 | 0.104 |
| Deuteranopia (no green cones) | #A7A8AA | 0.098 |
| Tritanopia (no blue cones) | #29BFB7 | 0.031 |
| Achromatopsia (no color) | #ACACAC | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BBDA8
#5BBDA8
oklch(73.3% 0.098 177.5)
- #DB8FA9
#DB8FA9
oklch(73.4% 0.097 357.7)
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 #5BBDA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.036
- Greeny Blue #42B395 ΔE 0.042
- Medium Aquamarine #66CDAA ΔE 0.048
- Light Sea Green #20B2AA ΔE 0.050
- Muted Teal #90B494 ΔE 0.054
- Dark Sea Green #8FBC8F ΔE 0.056
- Pale Teal #82CBB2 ΔE 0.057
- Green Blue #01C08D ΔE 0.059
Use #5BBDA8 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.