#4ACFCB
Closest named color: Medium Turquoise (#48D1CC). oklch(78.2% 0.114 192.2), rgb(74, 207, 203).
Aa
Black text reads best on this color (11.07:1).
About this color
#4ACFCB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.114 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.005 away. Black text reads best on it, at 11.07:1.
| Hue family | Teals and cyans |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 11.07:1 |
| White text | 1.89:1 |
Values
| HEX | #4ACFCB |
| RGB | rgb(74, 207, 203) |
| HSL | hsl(178, 58%, 55%) |
| OKLCH | oklch(78.2% 0.114 192.2) |
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 #4ACFCB | 1.89:1 | Fails | Lc -40.0 | Non-text elements, placeholder text |
| Black text on #4ACFCB | 11.07:1 | AAA | Lc 68.2 | Content text, not long reading |
| #4ACFCB text on white | 1.89:1 | Fails | Lc 35.7 | Non-text elements, placeholder text |
| #4ACFCB text on black | 11.07:1 | AAA | Lc -66.8 | 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 300.
-
Step 50
50
#EBF9F8
oklch(97.1% 0.015 191.8)
-
Step 100
100
#D2F1EF
oklch(93.5% 0.032 191.9)
-
Step 200
200
#A8E7E4
oklch(88.5% 0.064 192.4)
-
Step 300
300 (this color)
#4ACFCB
oklch(78.2% 0.114 192.2)
-
Step 400
400
#00B8B4
oklch(70.7% 0.121 192)
-
Step 500
500
#009E9A
oklch(63.2% 0.109 191.6)
-
Step 600
600
#008582
oklch(55.7% 0.096 192)
-
Step 700
700
#006F6D
oklch(49% 0.084 192.6)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#4ACFCB 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) | #C3C5CB | 0.120 |
| Deuteranopia (no green cones) | #AFB6CC | 0.113 |
| Tritanopia (no blue cones) | #00D5CD | 0.023 |
| Achromatopsia (no color) | #BCBCBC | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4ACFCB
#4ACFCB
oklch(78.2% 0.114 192.2)
- #F799A4
#F799A4
oklch(78.2% 0.113 12.4)
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 #4ACFCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.005
- Dark Turquoise #00CED1 ΔE 0.022
- Aqua Blue #02D8E9 ΔE 0.043
- Seafoam Blue #78D1B6 ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.046
- Turquoise #40E0D0 ΔE 0.046
- Pale Teal #82CBB2 ΔE 0.049
- Vivid Sky Blue #4CC9F0 ΔE 0.062
Use #4ACFCB 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.