#4FC1BF
Closest named color: Dark Turquoise (#00CED1). oklch(74.6% 0.102 193.6), rgb(79, 193, 191).
Aa
Black text reads best on this color (9.71:1).
About this color
#4FC1BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.102 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.040 away. Black text reads best on it, at 9.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 9.71:1 |
| White text | 2.16:1 |
Values
| HEX | #4FC1BF |
| RGB | rgb(79, 193, 191) |
| HSL | hsl(179, 48%, 53%) |
| OKLCH | oklch(74.6% 0.102 193.6) |
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 #4FC1BF | 2.16:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #4FC1BF | 9.71:1 | AAA | Lc 61.7 | Content text, not long reading |
| #4FC1BF text on white | 2.16:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #4FC1BF text on black | 9.71:1 | AAA | Lc -60.0 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DDEEED
oklch(93.6% 0.018 192.6)
-
Step 200
200
#BFE1E0
oklch(88.5% 0.036 194.3)
-
Step 300
300
#8FCECC
oklch(80.8% 0.064 193.5)
-
Step 400
400 (this color)
#4FC1BF
oklch(74.6% 0.102 193.6)
-
Step 500
500
#009D9C
oklch(63% 0.108 194)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#4FC1BF 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) | #B6B8BF | 0.108 |
| Deuteranopia (no green cones) | #A4ABC0 | 0.100 |
| Tritanopia (no blue cones) | #00C6C0 | 0.027 |
| Achromatopsia (no color) | #B0B0B0 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FC1BF
#4FC1BF
oklch(74.6% 0.102 193.6)
- #E6919A
#E6919A
oklch(74.6% 0.103 13)
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 #4FC1BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.040
- Topaz #13BBAF ΔE 0.040
- Medium Turquoise #48D1CC ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.055
- Light Sea Green #20B2AA ΔE 0.057
- Pale Teal #82CBB2 ΔE 0.059
- Turquoise Blue #06B1C4 ΔE 0.060
- Seafoam Blue #78D1B6 ΔE 0.063
Use #4FC1BF 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.