#00CAAB
Closest named color: Greenblue (#23C48B). oklch(75% 0.14 176.3), rgb(0, 202, 171).
Aa
Black text reads best on this color (10.03:1).
About this color
#00CAAB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.140 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.042 away. Black text reads best on it, at 10.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Greenblue (#23C48B) |
| Black text | 10.03:1 |
| White text | 2.09:1 |
Values
| HEX | #00CAAB |
| RGB | rgb(0, 202, 171) |
| HSL | hsl(171, 100%, 40%) |
| OKLCH | oklch(75% 0.14 176.3) |
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 #00CAAB | 2.09:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #00CAAB | 10.03:1 | AAA | Lc 63.7 | Content text, not long reading |
| #00CAAB text on white | 2.09:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #00CAAB text on black | 10.03:1 | AAA | Lc -62.1 | 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
#EEF8F5
oklch(97.1% 0.011 176.3)
-
Step 100
100
#D9F0E9
oklch(93.6% 0.026 175.6)
-
Step 200
200
#B8E4D8
oklch(88.4% 0.049 176.7)
-
Step 300
300
#80D3BF
oklch(80.8% 0.087 176.9)
-
Step 400
400 (this color)
#00CAAB
oklch(75% 0.14 176.3)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#00CAAB 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) | #C2BCAA | 0.147 |
| Deuteranopia (no green cones) | #ADADAD | 0.140 |
| Tritanopia (no blue cones) | #00CDC1 | 0.031 |
| Achromatopsia (no color) | #B3B3B3 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00CAAB
#00CAAB
oklch(75% 0.14 176.3)
- #F386B0
#F386B0
oklch(75% 0.14 356.5)
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 #00CAAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.042
- Emerald #06D6A0 ΔE 0.042
- Medium Aquamarine #66CDAA ΔE 0.043
- Green Blue #01C08D ΔE 0.044
- Topaz #13BBAF ΔE 0.046
- Dark Turquoise #00CED1 ΔE 0.053
- Medium Turquoise #48D1CC ΔE 0.055
- Greeny Blue #42B395 ΔE 0.063
Use #00CAAB 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.