#5BB5A7
Closest named color: Greeny Blue (#42B395). oklch(71.4% 0.089 182.3), rgb(91, 181, 167).
Aa
Black text reads best on this color (8.61:1).
About this color
#5BB5A7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.089 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.034 away. Black text reads best on it, at 8.61:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.61:1 |
| White text | 2.43:1 |
Values
| HEX | #5BB5A7 |
| RGB | rgb(91, 181, 167) |
| HSL | hsl(171, 38%, 53%) |
| OKLCH | oklch(71.4% 0.089 182.3) |
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 #5BB5A7 | 2.43:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #5BB5A7 | 8.61:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #5BB5A7 text on white | 2.43:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #5BB5A7 text on black | 8.61:1 | AAA | Lc -54.2 | 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
#DFEEEB
oklch(93.7% 0.016 182.7)
-
Step 200
200
#C4E0DB
oklch(88.5% 0.03 183.7)
-
Step 300
300
#99CDC3
oklch(80.9% 0.056 181.7)
-
Step 400
400 (this color)
#5BB5A7
oklch(71.4% 0.089 182.3)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#012E28
oklch(27.1% 0.048 181.4)
#5BB5A7 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) | #AEACA7 | 0.095 |
| Deuteranopia (no green cones) | #9FA1A8 | 0.090 |
| Tritanopia (no blue cones) | #2EB8B1 | 0.027 |
| Achromatopsia (no color) | #A6A6A6 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BB5A7
#5BB5A7
oklch(71.4% 0.089 182.3)
- #D28B9E
#D28B9E
oklch(71.4% 0.09 2.2)
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 #5BB5A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.034
- Topaz #13BBAF ΔE 0.034
- Light Sea Green #20B2AA ΔE 0.035
- Muted Teal #90B494 ΔE 0.056
- Tea #65AB7C ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.058
- Cadet Blue #5F9EA0 ΔE 0.064
- Dull Teal #5F9E8F ΔE 0.065
Use #5BB5A7 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.