#5BB2A9
Closest named color: Light Sea Green (#20B2AA). oklch(70.7% 0.085 186.6), rgb(91, 178, 169).
Aa
Black text reads best on this color (8.38:1).
About this color
#5BB2A9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.085 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.033 away. Black text reads best on it, at 8.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.38:1 |
| White text | 2.50:1 |
Values
| HEX | #5BB2A9 |
| RGB | rgb(91, 178, 169) |
| HSL | hsl(174, 36%, 53%) |
| OKLCH | oklch(70.7% 0.085 186.6) |
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 #5BB2A9 | 2.50:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #5BB2A9 | 8.38:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #5BB2A9 text on white | 2.50:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #5BB2A9 text on black | 8.38:1 | AAA | Lc -53.0 | 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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DFEDEB
oklch(93.5% 0.015 186.7)
-
Step 200
200
#C4E0DC
oklch(88.5% 0.03 186.2)
-
Step 300
300
#9ACCC6
oklch(80.8% 0.053 187)
-
Step 400
400 (this color)
#5BB2A9
oklch(70.7% 0.085 186.6)
-
Step 500
500
#089E94
oklch(63% 0.109 186.9)
-
Step 600
600
#00857C
oklch(55.5% 0.097 186.5)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#032D2A
oklch(26.9% 0.044 187.7)
#5BB2A9 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) | #AAAAA9 | 0.091 |
| Deuteranopia (no green cones) | #9C9FAA | 0.086 |
| Tritanopia (no blue cones) | #2DB5AF | 0.027 |
| Achromatopsia (no color) | #A4A4A4 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB2A9
#5BB2A9
oklch(70.7% 0.085 186.6)
- #CF8A98
#CF8A98
oklch(70.7% 0.086 6.2)
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 #5BB2A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.033
- Topaz #13BBAF ΔE 0.038
- Greeny Blue #42B395 ΔE 0.038
- Turquoise Blue #06B1C4 ΔE 0.052
- Cadet Blue #5F9EA0 ΔE 0.055
- Dull Teal #5F9E8F ΔE 0.058
- Tea #65AB7C ΔE 0.060
- Muted Teal #90B494 ΔE 0.060
Use #5BB2A9 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.