#4FE9C6
Closest named color: Aqua Marine (#2EE8BB). oklch(84.4% 0.138 174.5), rgb(79, 233, 198).
Aa
Black text reads best on this color (13.80:1).
About this color
#4FE9C6 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.138 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.022 away. Black text reads best on it, at 13.80:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 13.80:1 |
| White text | 1.52:1 |
Values
| HEX | #4FE9C6 |
| RGB | rgb(79, 233, 198) |
| HSL | hsl(166, 78%, 61%) |
| OKLCH | oklch(84.4% 0.138 174.5) |
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 #4FE9C6 | 1.52:1 | Fails | Lc -27.0 | Dividers and decoration only |
| Black text on #4FE9C6 | 13.80:1 | AAA | Lc 79.9 | Fine for body text |
| #4FE9C6 text on white | 1.52:1 | Fails | Lc 23.9 | Dividers and decoration only |
| #4FE9C6 text on black | 13.80:1 | AAA | Lc -79.3 | Fine for body text |
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
#EAFAF5
oklch(97.2% 0.018 175.3)
-
Step 100
100
#D0F3E8
oklch(93.6% 0.039 174.5)
-
Step 200
200
#A3EAD6
oklch(88.4% 0.076 175)
-
Step 300
300 (this color)
#4FE9C6
oklch(84.4% 0.138 174.5)
-
Step 400
400
#00BB9B
oklch(70.7% 0.134 174.5)
-
Step 500
500
#00A085
oklch(63% 0.119 175)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#4FE9C6 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) | #E1DBC4 | 0.143 |
| Deuteranopia (no green cones) | #CCCBC9 | 0.138 |
| Tritanopia (no blue cones) | #00ECDF | 0.035 |
| Achromatopsia (no color) | #D1D1D1 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FE9C6
#4FE9C6
oklch(84.4% 0.138 174.5)
- #FFB2D0
#FFB2D0
oklch(84.5% 0.097 354.3)
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 #4FE9C6, closest first.
No curated palette has a color within ΔE 0.04 of #4FE9C6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.022
- Turquoise #40E0D0 ΔE 0.034
- Bright Teal #01F9C6 ΔE 0.046
- Light Teal #90E4C1 ΔE 0.047
- Light Turquoise #7EF4CC ΔE 0.047
- Bright Aqua #0BF9EA ΔE 0.054
- Hospital Green #9BE5AA ΔE 0.061
- Seafoam Blue #78D1B6 ΔE 0.064
Use #4FE9C6 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.