#4CB9BF
Closest named color: Topaz (#13BBAF). oklch(72.6% 0.099 200.3), rgb(76, 185, 191).
Aa
Black text reads best on this color (8.99:1).
About this color
#4CB9BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.099 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.037 away. Black text reads best on it, at 8.99:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.99:1 |
| White text | 2.33:1 |
Values
| HEX | #4CB9BF |
| RGB | rgb(76, 185, 191) |
| HSL | hsl(183, 47%, 52%) |
| OKLCH | oklch(72.6% 0.099 200.3) |
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 #4CB9BF | 2.33:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #4CB9BF | 8.99:1 | AAA | Lc 58.2 | Large or bold text, headings |
| #4CB9BF text on white | 2.33:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #4CB9BF text on black | 8.99:1 | AAA | Lc -56.3 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DDEEEE
oklch(93.7% 0.018 196.8)
-
Step 200
200
#C0E0E2
oklch(88.4% 0.034 201.2)
-
Step 300
300
#91CDD0
oklch(80.9% 0.061 199.9)
-
Step 400
400 (this color)
#4CB9BF
oklch(72.6% 0.099 200.3)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008389
oklch(55.5% 0.094 200.5)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#4CB9BF 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) | #ACB1C0 | 0.100 |
| Deuteranopia (no green cones) | #9AA4C0 | 0.093 |
| Tritanopia (no blue cones) | #00BFBB | 0.031 |
| Achromatopsia (no color) | #AAAAAA | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4CB9BF
#4CB9BF
oklch(72.6% 0.099 200.3)
- #DE8D8C
#DE8D8C
oklch(72.6% 0.099 20.5)
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 #4CB9BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.037
- Turquoise Blue #06B1C4 ΔE 0.039
- Light Sea Green #20B2AA ΔE 0.043
- Dark Turquoise #00CED1 ΔE 0.057
- Greeny Blue #42B395 ΔE 0.061
- Medium Turquoise #48D1CC ΔE 0.066
- Greyblue #77A1B5 ΔE 0.070
- Bluegrey #85A3B2 ΔE 0.072
Use #4CB9BF 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.