#1DE3C0
Closest named color: Aqua Marine (#2EE8BB). oklch(82% 0.15 175.8), rgb(29, 227, 192).
Aa
Black text reads best on this color (12.80:1).
About this color
#1DE3C0 is a light, vivid teal or cyan. In OKLCH its lightness is 82%, its chroma 0.150 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.018 away. Black text reads best on it, at 12.80:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 12.80:1 |
| White text | 1.64:1 |
Values
| HEX | #1DE3C0 |
| RGB | rgb(29, 227, 192) |
| HSL | hsl(169, 78%, 50%) |
| OKLCH | oklch(82% 0.15 175.8) |
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 #1DE3C0 | 1.64:1 | Fails | Lc -31.4 | Non-text elements, placeholder text |
| Black text on #1DE3C0 | 12.80:1 | AAA | Lc 76.0 | Fine for body text |
| #1DE3C0 text on white | 1.64:1 | Fails | Lc 27.8 | Dividers and decoration only |
| #1DE3C0 text on black | 12.80:1 | AAA | Lc -75.1 | Fine for body text |
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
#E8FAF5
oklch(97% 0.02 177.5)
-
Step 100
100
#CDF4E9
oklch(93.6% 0.043 176.4)
-
Step 200
200
#9DECD7
oklch(88.6% 0.083 175.7)
-
Step 300
300 (this color)
#1DE3C0
oklch(82% 0.15 175.8)
-
Step 400
400
#00BB9D
oklch(70.7% 0.133 175.7)
-
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)
#1DE3C0 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) | #DAD4BE | 0.156 |
| Deuteranopia (no green cones) | #C3C3C3 | 0.150 |
| Tritanopia (no blue cones) | #00E6D9 | 0.033 |
| Achromatopsia (no color) | #CACACA | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1DE3C0
#1DE3C0
oklch(82% 0.15 175.8)
- #FFA5C7
#FFA5C7
oklch(82% 0.113 355.6)
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 #1DE3C0, closest first.
No curated palette has a color within ΔE 0.04 of #1DE3C0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.018
- Turquoise #40E0D0 ΔE 0.030
- Emerald #06D6A0 ΔE 0.050
- Medium Turquoise #48D1CC ΔE 0.059
- Seafoam Blue #78D1B6 ΔE 0.060
- Aqua Green #12E193 ΔE 0.060
- Bright Teal #01F9C6 ΔE 0.060
- Medium Aquamarine #66CDAA ΔE 0.061
Use #1DE3C0 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.