#4FBFB1
Closest named color: Topaz (#13BBAF). oklch(73.7% 0.104 184), rgb(79, 191, 177).
Aa
Black text reads best on this color (9.41:1).
About this color
#4FBFB1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.104 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.030 away. Black text reads best on it, at 9.41:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.41:1 |
| White text | 2.22:1 |
Values
| HEX | #4FBFB1 |
| RGB | rgb(79, 191, 177) |
| HSL | hsl(173, 47%, 53%) |
| OKLCH | oklch(73.7% 0.104 184) |
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 #4FBFB1 | 2.22:1 | Fails | Lc -48.4 | Large or bold text, headings |
| Black text on #4FBFB1 | 9.41:1 | AAA | Lc 60.3 | Content text, not long reading |
| #4FBFB1 text on white | 2.22:1 | Fails | Lc 43.7 | Non-text elements, placeholder text |
| #4FBFB1 text on black | 9.41:1 | AAA | Lc -58.5 | 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
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100
#DDEEEB
oklch(93.6% 0.018 184.3)
-
Step 200
200
#C0E1DC
oklch(88.4% 0.035 185.4)
-
Step 300
300
#91CFC5
oklch(81% 0.065 183.6)
-
Step 400
400 (this color)
#4FBFB1
oklch(73.7% 0.104 184)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#4FBFB1 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) | #B6B5B1 | 0.110 |
| Deuteranopia (no green cones) | #A5A8B2 | 0.104 |
| Tritanopia (no blue cones) | #00C3BB | 0.026 |
| Achromatopsia (no color) | #AEAEAE | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FBFB1
#4FBFB1
oklch(73.7% 0.104 184)
- #E18EA2
#E18EA2
oklch(73.7% 0.103 4.3)
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 #4FBFB1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.030
- Light Sea Green #20B2AA ΔE 0.048
- Greeny Blue #42B395 ΔE 0.048
- Medium Aquamarine #66CDAA ΔE 0.049
- Dark Turquoise #00CED1 ΔE 0.052
- Medium Turquoise #48D1CC ΔE 0.054
- Pale Teal #82CBB2 ΔE 0.059
- Green Blue #01C08D ΔE 0.064
Use #4FBFB1 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.