#4BBCA1
Closest named color: Topaz (#13BBAF). oklch(72.3% 0.11 174.6), rgb(75, 188, 161).
Aa
Black text reads best on this color (9.00:1).
About this color
#4BBCA1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.110 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.029 away. Black text reads best on it, at 9.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.00:1 |
| White text | 2.33:1 |
Values
| HEX | #4BBCA1 |
| RGB | rgb(75, 188, 161) |
| HSL | hsl(166, 46%, 52%) |
| OKLCH | oklch(72.3% 0.11 174.6) |
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 #4BBCA1 | 2.33:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #4BBCA1 | 9.00:1 | AAA | Lc 58.3 | Large or bold text, headings |
| #4BBCA1 text on white | 2.33:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #4BBCA1 text on black | 9.00:1 | AAA | Lc -56.4 | 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
#F0F8F5
oklch(97.2% 0.009 171.8)
-
Step 100
100
#DDEEE9
oklch(93.5% 0.019 176.4)
-
Step 200
200
#C0E2D7
oklch(88.5% 0.039 173.8)
-
Step 300
300
#91D0BE
oklch(81% 0.069 174.8)
-
Step 400
400 (this color)
#4BBCA1
oklch(72.3% 0.11 174.6)
-
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)
#4BBCA1 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) | #B6B1A0 | 0.115 |
| Deuteranopia (no green cones) | #A5A5A3 | 0.109 |
| Tritanopia (no blue cones) | #00BEB4 | 0.032 |
| Achromatopsia (no color) | #AAAAAA | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BBCA1
#4BBCA1
oklch(72.3% 0.11 174.6)
- #DC88AA
#DC88AA
oklch(72.4% 0.11 354.4)
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 #4BBCA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.029
- Greeny Blue #42B395 ΔE 0.029
- Light Sea Green #20B2AA ΔE 0.043
- Green Blue #01C08D ΔE 0.044
- Greenblue #23C48B ΔE 0.049
- Medium Aquamarine #66CDAA ΔE 0.055
- Tea #65AB7C ΔE 0.057
- Dark Seafoam #1FB57A ΔE 0.062
Use #4BBCA1 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.