#00CDA4
Closest named color: Emerald (#06D6A0). oklch(75.5% 0.147 171.5), rgb(0, 205, 164).
Aa
Black text reads best on this color (10.26:1).
About this color
#00CDA4 is a medium-light, vivid teal or cyan. In OKLCH its lightness is 76%, its chroma 0.147 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.029 away. Black text reads best on it, at 10.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.26:1 |
| White text | 2.04:1 |
Values
| HEX | #00CDA4 |
| RGB | rgb(0, 205, 164) |
| HSL | hsl(168, 100%, 40%) |
| OKLCH | oklch(75.5% 0.147 171.5) |
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 #00CDA4 | 2.04:1 | Fails | Lc -43.6 | Non-text elements, placeholder text |
| Black text on #00CDA4 | 10.26:1 | AAA | Lc 64.8 | Content text, not long reading |
| #00CDA4 text on white | 2.04:1 | Fails | Lc 39.1 | Non-text elements, placeholder text |
| #00CDA4 text on black | 10.26:1 | AAA | Lc -63.2 | 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
#B8E5D5
oklch(88.6% 0.052 171.4)
-
Step 300
300
#7FD4B9
oklch(80.8% 0.092 171.5)
-
Step 400
400 (this color)
#00CDA4
oklch(75.5% 0.147 171.5)
-
Step 500
500
#00A180
oklch(63.1% 0.123 171.4)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#00CDA4 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) | #C6BEA2 | 0.151 |
| Deuteranopia (no green cones) | #B1AFA7 | 0.145 |
| Tritanopia (no blue cones) | #00CFC1 | 0.041 |
| Achromatopsia (no color) | #B5B5B5 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00CDA4
#00CDA4
oklch(75.5% 0.147 171.5)
- #F586BA
#F586BA
oklch(75.6% 0.147 351.7)
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 #00CDA4, closest first.
No curated palette has a color within ΔE 0.04 of #00CDA4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.029
- Greenblue #23C48B ΔE 0.035
- Green Blue #01C08D ΔE 0.042
- Medium Aquamarine #66CDAA ΔE 0.043
- Seaweed #18D17B ΔE 0.059
- Topaz #13BBAF ΔE 0.060
- Dark Mint #48C072 ΔE 0.063
- Medium Turquoise #48D1CC ΔE 0.063
Use #00CDA4 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.