#30DDB4
Closest named color: Aqua Marine (#2EE8BB). oklch(80.4% 0.147 171.9), rgb(48, 221, 180).
Aa
Black text reads best on this color (12.12:1).
About this color
#30DDB4 is a light, vivid teal or cyan. In OKLCH its lightness is 80%, its chroma 0.147 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.030 away. Black text reads best on it, at 12.12:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.12:1 |
| White text | 1.73:1 |
Values
| HEX | #30DDB4 |
| RGB | rgb(48, 221, 180) |
| HSL | hsl(166, 72%, 53%) |
| OKLCH | oklch(80.4% 0.147 171.9) |
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 #30DDB4 | 1.73:1 | Fails | Lc -34.7 | Non-text elements, placeholder text |
| Black text on #30DDB4 | 12.12:1 | AAA | Lc 73.0 | Content text, not long reading |
| #30DDB4 text on white | 1.73:1 | Fails | Lc 30.9 | Non-text elements, placeholder text |
| #30DDB4 text on black | 12.12:1 | AAA | Lc -71.9 | 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
#E9FAF4
oklch(97.1% 0.02 172.8)
-
Step 100
100
#CFF4E6
oklch(93.7% 0.043 170.5)
-
Step 200
200
#A1EBD3
oklch(88.5% 0.081 172.1)
-
Step 300
300 (this color)
#30DDB4
oklch(80.4% 0.147 171.9)
-
Step 400
400
#00BC97
oklch(70.8% 0.137 171.9)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
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
#002E23
oklch(26.8% 0.052 171.9)
#30DDB4 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) | #D6CEB2 | 0.151 |
| Deuteranopia (no green cones) | #C0BEB7 | 0.145 |
| Tritanopia (no blue cones) | #00DFD1 | 0.039 |
| Achromatopsia (no color) | #C5C5C5 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30DDB4
#30DDB4
oklch(80.4% 0.147 171.9)
- #FF9BC8
#FF9BC8
oklch(80.5% 0.13 351.9)
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 #30DDB4, closest first.
No curated palette has a color within ΔE 0.04 of #30DDB4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.030
- Emerald #06D6A0 ΔE 0.033
- Turquoise #40E0D0 ΔE 0.040
- Medium Aquamarine #66CDAA ΔE 0.046
- Aqua Green #12E193 ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.052
- Medium Turquoise #48D1CC ΔE 0.057
- Pale Teal #82CBB2 ΔE 0.067
Use #30DDB4 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.