#4BC5BB
Closest named color: Dark Turquoise (#00CED1). oklch(75.3% 0.108 187.5), rgb(75, 197, 187).
Aa
Black text reads best on this color (10.00:1).
About this color
#4BC5BB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.108 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.035 away. Black text reads best on it, at 10.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.00:1 |
| White text | 2.09:1 |
Values
| HEX | #4BC5BB |
| RGB | rgb(75, 197, 187) |
| HSL | hsl(175, 51%, 53%) |
| OKLCH | oklch(75.3% 0.108 187.5) |
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 #4BC5BB | 2.09:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #4BC5BB | 10.00:1 | AAA | Lc 63.2 | Content text, not long reading |
| #4BC5BB text on white | 2.09:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #4BC5BB text on black | 10.00:1 | AAA | Lc -61.5 | 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 400.
-
Step 50
50
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DCEEEC
oklch(93.5% 0.019 188.8)
-
Step 200
200
#BEE2DD
oklch(88.5% 0.038 186.3)
-
Step 300
300
#8DCFC8
oklch(80.8% 0.068 187.6)
-
Step 400
400 (this color)
#4BC5BB
oklch(75.3% 0.108 187.5)
-
Step 500
500
#009E95
oklch(63% 0.11 187.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#4BC5BB 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) | #BBBBBB | 0.115 |
| Deuteranopia (no green cones) | #A8ADBC | 0.108 |
| Tritanopia (no blue cones) | #00CAC2 | 0.023 |
| Achromatopsia (no color) | #B3B3B3 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BC5BB
#4BC5BB
oklch(75.3% 0.108 187.5)
- #EA91A2
#EA91A2
oklch(75.3% 0.109 7.6)
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 #4BC5BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.035
- Medium Turquoise #48D1CC ΔE 0.035
- Topaz #13BBAF ΔE 0.041
- Medium Aquamarine #66CDAA ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.053
- Light Sea Green #20B2AA ΔE 0.062
- Greeny Blue #42B395 ΔE 0.066
Use #4BC5BB 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.