#5BB3AF
Closest named color: Light Sea Green (#20B2AA). oklch(71.1% 0.085 191.5), rgb(91, 179, 175).
Aa
Black text reads best on this color (8.51:1).
About this color
#5BB3AF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.085 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.036 away. Black text reads best on it, at 8.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 8.51:1 |
| White text | 2.46:1 |
Values
| HEX | #5BB3AF |
| RGB | rgb(91, 179, 175) |
| HSL | hsl(177, 37%, 53%) |
| OKLCH | oklch(71.1% 0.085 191.5) |
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 #5BB3AF | 2.46:1 | Fails | Lc -53.4 | Large or bold text, headings |
| Black text on #5BB3AF | 8.51:1 | AAA | Lc 55.7 | Large or bold text, headings |
| #5BB3AF text on white | 2.46:1 | Fails | Lc 48.3 | Large or bold text, headings |
| #5BB3AF text on black | 8.51:1 | AAA | Lc -53.7 | 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
#DFEDEC
oklch(93.5% 0.015 191.8)
-
Step 200
200
#C4E0DE
oklch(88.6% 0.03 191.4)
-
Step 300
300
#99CCC9
oklch(80.9% 0.053 191.6)
-
Step 400
400 (this color)
#5BB3AF
oklch(71.1% 0.085 191.5)
-
Step 500
500
#009E9A
oklch(63.2% 0.109 191.6)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706D
oklch(49.2% 0.085 191.5)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#022D2C
oklch(26.9% 0.045 192.4)
#5BB3AF 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) | #AAABAF | 0.090 |
| Deuteranopia (no green cones) | #9BA0B0 | 0.085 |
| Tritanopia (no blue cones) | #27B7B2 | 0.029 |
| Achromatopsia (no color) | #A5A5A5 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB3AF
#5BB3AF
oklch(71.1% 0.085 191.5)
- #D18C94
#D18C94
oklch(71.2% 0.085 11.8)
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 #5BB3AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.036
- Topaz #13BBAF ΔE 0.039
- Greeny Blue #42B395 ΔE 0.045
- Turquoise Blue #06B1C4 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.058
- Greyblue #77A1B5 ΔE 0.059
- Bluegrey #85A3B2 ΔE 0.061
- Muted Teal #90B494 ΔE 0.063
Use #5BB3AF 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.