#1DDBC4
Closest named color: Turquoise (#40E0D0). oklch(80.1% 0.14 181.5), rgb(29, 219, 196).
Aa
Black text reads best on this color (11.98:1).
About this color
#1DDBC4 is a light, vivid teal or cyan. In OKLCH its lightness is 80%, its chroma 0.140 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.025 away. Black text reads best on it, at 11.98:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | vivid (0.140) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 11.98:1 |
| White text | 1.75:1 |
Values
| HEX | #1DDBC4 |
| RGB | rgb(29, 219, 196) |
| HSL | hsl(173, 77%, 49%) |
| OKLCH | oklch(80.1% 0.14 181.5) |
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 #1DDBC4 | 1.75:1 | Fails | Lc -35.3 | Non-text elements, placeholder text |
| Black text on #1DDBC4 | 11.98:1 | AAA | Lc 72.4 | Content text, not long reading |
| #1DDBC4 text on white | 1.75:1 | Fails | Lc 31.4 | Non-text elements, placeholder text |
| #1DDBC4 text on black | 11.98:1 | AAA | Lc -71.3 | 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
#E9FAF6
oklch(97.1% 0.019 180.3)
-
Step 100
100
#CDF3EB
oklch(93.5% 0.041 181.2)
-
Step 200
200
#9EEBDC
oklch(88.6% 0.079 180.8)
-
Step 300
300 (this color)
#1DDBC4
oklch(80.1% 0.14 181.5)
-
Step 400
400
#00BAA6
oklch(70.8% 0.127 181.5)
-
Step 500
500
#009F8E
oklch(63% 0.113 181.8)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#1DDBC4 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) | #D1CDC3 | 0.149 |
| Deuteranopia (no green cones) | #BABDC6 | 0.141 |
| Tritanopia (no blue cones) | #00DFD4 | 0.022 |
| Achromatopsia (no color) | #C4C4C4 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1DDBC4
#1DDBC4
oklch(80.1% 0.14 181.5)
- #FF9CB9
#FF9CB9
oklch(80.2% 0.122 1.3)
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 #1DDBC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.025
- Medium Turquoise #48D1CC ΔE 0.036
- Aqua Marine #2EE8BB ΔE 0.044
- Dark Turquoise #00CED1 ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.048
- Seafoam Blue #78D1B6 ΔE 0.049
- Emerald #06D6A0 ΔE 0.049
- Aqua Blue #02D8E9 ΔE 0.057
Use #1DDBC4 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.