#00CAAA
Closest named color: Greenblue (#23C48B). oklch(74.9% 0.14 175.8), rgb(0, 202, 170).
Aa
Black text reads best on this color (10.02:1).
About this color
#00CAAA is a medium-light, vivid 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 0.040 away. Black text reads best on it, at 10.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Greenblue (#23C48B) |
| Black text | 10.02:1 |
| White text | 2.09:1 |
Values
| HEX | #00CAAA |
| RGB | rgb(0, 202, 170) |
| HSL | hsl(170, 100%, 40%) |
| OKLCH | oklch(74.9% 0.14 175.8) |
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 #00CAAA | 2.09:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #00CAAA | 10.02:1 | AAA | Lc 63.7 | Content text, not long reading |
| #00CAAA text on white | 2.09:1 | Fails | Lc 40.3 | Non-text elements, placeholder text |
| #00CAAA text on black | 10.02:1 | AAA | Lc -62.0 | 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
#80D4BE
oklch(81% 0.088 175.4)
-
Step 400
400 (this color)
#00CAAA
oklch(74.9% 0.14 175.8)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#00CAAA 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) | #C2BCA9 | 0.147 |
| Deuteranopia (no green cones) | #ADADAC | 0.140 |
| Tritanopia (no blue cones) | #00CDC1 | 0.032 |
| Achromatopsia (no color) | #B3B3B3 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00CAAA
#00CAAA
oklch(74.9% 0.14 175.8)
- #F286B1
#F286B1
oklch(74.9% 0.14 355.7)
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 #00CAAA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.040
- Emerald #06D6A0 ΔE 0.042
- Green Blue #01C08D ΔE 0.043
- Medium Aquamarine #66CDAA ΔE 0.044
- Topaz #13BBAF ΔE 0.047
- Dark Turquoise #00CED1 ΔE 0.055
- Medium Turquoise #48D1CC ΔE 0.057
- Greeny Blue #42B395 ΔE 0.063
Use #00CAAA 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.