#0BCBA4
Closest named color: Greenblue (#23C48B). oklch(75.1% 0.144 172.2), rgb(11, 203, 164).
Aa
Black text reads best on this color (10.09:1).
About this color
#0BCBA4 is a medium-light, vivid teal or cyan. In OKLCH its lightness is 75%, its chroma 0.144 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.034 away. Black text reads best on it, at 10.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Greenblue (#23C48B) |
| Black text | 10.09:1 |
| White text | 2.08:1 |
Values
| HEX | #0BCBA4 |
| RGB | rgb(11, 203, 164) |
| HSL | hsl(168, 90%, 42%) |
| OKLCH | oklch(75.1% 0.144 172.2) |
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 #0BCBA4 | 2.08:1 | Fails | Lc -44.6 | Non-text elements, placeholder text |
| Black text on #0BCBA4 | 10.09:1 | AAA | Lc 63.9 | Content text, not long reading |
| #0BCBA4 text on white | 2.08:1 | Fails | Lc 40.0 | Non-text elements, placeholder text |
| #0BCBA4 text on black | 10.09:1 | AAA | Lc -62.3 | 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
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#D9F0E8
oklch(93.6% 0.026 172.9)
-
Step 200
200
#B9E4D5
oklch(88.4% 0.049 171.9)
-
Step 300
300
#81D4BA
oklch(80.9% 0.09 171.9)
-
Step 400
400 (this color)
#0BCBA4
oklch(75.1% 0.144 172.2)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#0BCBA4 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) | #C4BDA2 | 0.148 |
| Deuteranopia (no green cones) | #AFADA7 | 0.143 |
| Tritanopia (no blue cones) | #00CDC0 | 0.039 |
| Achromatopsia (no color) | #B4B4B4 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0BCBA4
#0BCBA4
oklch(75.1% 0.144 172.2)
- #F285B7
#F285B7
oklch(75% 0.144 352.2)
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 #0BCBA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.034
- Emerald #06D6A0 ΔE 0.034
- Green Blue #01C08D ΔE 0.039
- Medium Aquamarine #66CDAA ΔE 0.044
- Topaz #13BBAF ΔE 0.054
- Dark Mint #48C072 ΔE 0.062
- Seaweed #18D17B ΔE 0.062
- Medium Turquoise #48D1CC ΔE 0.063
Use #0BCBA4 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.