#00CEBB
Closest named color: Dark Turquoise (#00CED1). oklch(76.5% 0.136 183.3), rgb(0, 206, 187).
Aa
Black text reads best on this color (10.54:1).
About this color
#00CEBB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.136 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.032 away. Black text reads best on it, at 10.54:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.54:1 |
| White text | 1.99:1 |
Values
| HEX | #00CEBB |
| RGB | rgb(0, 206, 187) |
| HSL | hsl(174, 100%, 40%) |
| OKLCH | oklch(76.5% 0.136 183.3) |
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 #00CEBB | 1.99:1 | Fails | Lc -42.2 | Non-text elements, placeholder text |
| Black text on #00CEBB | 10.54:1 | AAA | Lc 66.1 | Content text, not long reading |
| #00CEBB text on white | 1.99:1 | Fails | Lc 37.8 | Non-text elements, placeholder text |
| #00CEBB text on black | 10.54:1 | AAA | Lc -64.6 | 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
#E9FAF7
oklch(97.2% 0.018 184.3)
-
Step 100
100
#CEF3EC
oklch(93.6% 0.039 182.7)
-
Step 200
200
#A0EADE
oklch(88.5% 0.075 183.3)
-
Step 300
300 (this color)
#00CEBB
oklch(76.5% 0.136 183.3)
-
Step 400
400
#00B9A8
oklch(70.6% 0.125 183.4)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#00CEBB 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) | #C3C1BA | 0.144 |
| Deuteranopia (no green cones) | #ADB1BD | 0.137 |
| Tritanopia (no blue cones) | #00D2C8 | 0.019 |
| Achromatopsia (no color) | #B8B8B8 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00CEBB
#00CEBB
oklch(76.5% 0.136 183.3)
- #F98CAA
#F98CAA
oklch(76.5% 0.135 3.2)
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 #00CEBB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.032
- Medium Turquoise #48D1CC ΔE 0.035
- Medium Aquamarine #66CDAA ΔE 0.042
- Emerald #06D6A0 ΔE 0.050
- Topaz #13BBAF ΔE 0.053
- Seafoam Blue #78D1B6 ΔE 0.057
- Turquoise #40E0D0 ΔE 0.058
- Pale Teal #82CBB2 ΔE 0.063
Use #00CEBB 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.