#5FC4B3
Closest named color: Medium Aquamarine (#66CDAA). oklch(75.5% 0.098 181.1), rgb(95, 196, 179).
Aa
Black text reads best on this color (10.03:1).
About this color
#5FC4B3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.098 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.033 away. Black text reads best on it, at 10.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.03:1 |
| White text | 2.09:1 |
Values
| HEX | #5FC4B3 |
| RGB | rgb(95, 196, 179) |
| HSL | hsl(170, 46%, 57%) |
| OKLCH | oklch(75.5% 0.098 181.1) |
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 #5FC4B3 | 2.09:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #5FC4B3 | 10.03:1 | AAA | Lc 63.2 | Content text, not long reading |
| #5FC4B3 text on white | 2.09:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #5FC4B3 text on black | 10.03:1 | AAA | Lc -61.5 | 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 400.
-
Step 50
50
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DEEEEA
oklch(93.6% 0.018 179.3)
-
Step 200
200
#C2E1DA
oklch(88.5% 0.034 180.3)
-
Step 300
300
#95CEC3
oklch(80.9% 0.061 181.4)
-
Step 400
400 (this color)
#5FC4B3
oklch(75.5% 0.098 181.1)
-
Step 500
500
#009F8D
oklch(63% 0.114 181)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#5FC4B3 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) | #BDBAB2 | 0.105 |
| Deuteranopia (no green cones) | #ACAEB4 | 0.099 |
| Tritanopia (no blue cones) | #27C7BF | 0.030 |
| Achromatopsia (no color) | #B3B3B3 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FC4B3
#5FC4B3
oklch(75.5% 0.098 181.1)
- #E495AC
#E495AC
oklch(75.5% 0.099 0.8)
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 #5FC4B3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.033
- Pale Teal #82CBB2 ΔE 0.040
- Medium Turquoise #48D1CC ΔE 0.041
- Seafoam Blue #78D1B6 ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.048
- Topaz #13BBAF ΔE 0.049
- Dark Sea Green #8FBC8F ΔE 0.058
- Muted Teal #90B494 ΔE 0.062
Use #5FC4B3 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.