#4FC5BF
Closest named color: Medium Turquoise (#48D1CC). oklch(75.6% 0.105 190.5), rgb(79, 197, 191).
Aa
Black text reads best on this color (10.07:1).
About this color
#4FC5BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.105 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.033 away. Black text reads best on it, at 10.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.07:1 |
| White text | 2.08:1 |
Values
| HEX | #4FC5BF |
| RGB | rgb(79, 197, 191) |
| HSL | hsl(177, 50%, 54%) |
| OKLCH | oklch(75.6% 0.105 190.5) |
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 #4FC5BF | 2.08:1 | Fails | Lc -45.1 | Large or bold text, headings |
| Black text on #4FC5BF | 10.07:1 | AAA | Lc 63.5 | Content text, not long reading |
| #4FC5BF text on white | 2.08:1 | Fails | Lc 40.5 | Non-text elements, placeholder text |
| #4FC5BF text on black | 10.07:1 | AAA | Lc -61.8 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DCEEED
oklch(93.6% 0.019 192.8)
-
Step 200
200
#BFE1DF
oklch(88.5% 0.036 192.2)
-
Step 300
300
#8ECFCA
oklch(80.9% 0.066 189.9)
-
Step 400
400 (this color)
#4FC5BF
oklch(75.6% 0.105 190.5)
-
Step 500
500
#009E99
oklch(63.1% 0.109 190.8)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#4FC5BF 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) | #BABBBF | 0.111 |
| Deuteranopia (no green cones) | #A8AEC0 | 0.104 |
| Tritanopia (no blue cones) | #00CAC3 | 0.025 |
| Achromatopsia (no color) | #B3B3B3 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FC5BF
#4FC5BF
oklch(75.6% 0.105 190.5)
- #EA93A0
#EA93A0
oklch(75.6% 0.106 10.2)
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 #4FC5BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.033
- Dark Turquoise #00CED1 ΔE 0.033
- Topaz #13BBAF ΔE 0.045
- Medium Aquamarine #66CDAA ΔE 0.046
- Pale Teal #82CBB2 ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.053
- Light Sea Green #20B2AA ΔE 0.065
- Aqua Blue #02D8E9 ΔE 0.066
Use #4FC5BF 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.