#4FD5B8
Closest named color: Medium Aquamarine (#66CDAA). oklch(79.2% 0.124 175.9), rgb(79, 213, 184).
Aa
Black text reads best on this color (11.54:1).
About this color
#4FD5B8 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 79%, its chroma 0.124 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.025 away. Black text reads best on it, at 11.54:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 11.54:1 |
| White text | 1.81:1 |
Values
| HEX | #4FD5B8 |
| RGB | rgb(79, 213, 184) |
| HSL | hsl(167, 61%, 57%) |
| OKLCH | oklch(79.2% 0.124 175.9) |
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 #4FD5B8 | 1.81:1 | Fails | Lc -37.7 | Non-text elements, placeholder text |
| Black text on #4FD5B8 | 11.54:1 | AAA | Lc 70.2 | Content text, not long reading |
| #4FD5B8 text on white | 1.81:1 | Fails | Lc 33.6 | Non-text elements, placeholder text |
| #4FD5B8 text on black | 11.54:1 | AAA | Lc -69.0 | 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 300.
-
Step 50
50
#EBF9F5
oklch(97.1% 0.016 177.1)
-
Step 100
100
#D2F2E9
oklch(93.6% 0.035 176.7)
-
Step 200
200
#A9E9D7
oklch(88.6% 0.069 175.3)
-
Step 300
300 (this color)
#4FD5B8
oklch(79.2% 0.124 175.9)
-
Step 400
400
#00BB9D
oklch(70.7% 0.133 175.7)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#4FD5B8 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) | #CEC8B7 | 0.131 |
| Deuteranopia (no green cones) | #BABABA | 0.124 |
| Tritanopia (no blue cones) | #00D8CC | 0.031 |
| Achromatopsia (no color) | #C0C0C0 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FD5B8
#4FD5B8
oklch(79.2% 0.124 175.9)
- #FA99BE
#FA99BE
oklch(79.3% 0.123 355.9)
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 #4FD5B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.025
- Seafoam Blue #78D1B6 ΔE 0.030
- Medium Turquoise #48D1CC ΔE 0.034
- Turquoise #40E0D0 ΔE 0.037
- Pale Teal #82CBB2 ΔE 0.043
- Emerald #06D6A0 ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.051
- Aqua Marine #2EE8BB ΔE 0.052
Use #4FD5B8 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.