#1DFEEB
Closest named color: Bright Aqua (#0BF9EA). oklch(89.8% 0.155 185.1), rgb(29, 254, 235).
Aa
Black text reads best on this color (16.42:1).
About this color
#1DFEEB is a light, vivid teal or cyan. In OKLCH its lightness is 90%, its chroma 0.155 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Aqua (#0BF9EA), ΔE 0.014 away. Black text reads best on it, at 16.42:1.
| Hue family | Teals and cyans |
| Lightness | light (90%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Bright Aqua (#0BF9EA) |
| Black text | 16.42:1 |
| White text | 1.27:1 |
Values
| HEX | #1DFEEB |
| RGB | rgb(29, 254, 235) |
| HSL | hsl(175, 99%, 55%) |
| OKLCH | oklch(89.8% 0.155 185.1) |
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 #1DFEEB | 1.27:1 | Fails | Lc -15.2 | Dividers and decoration only |
| Black text on #1DFEEB | 16.42:1 | AAA | Lc 90.4 | Preferred for body text |
| #1DFEEB text on white | 1.27:1 | Fails | Lc 13.2 | Not readable |
| #1DFEEB text on black | 16.42:1 | AAA | Lc -90.7 | Preferred 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 200.
-
Step 50
50
#E3FCF8
oklch(97.2% 0.027 185.2)
-
Step 100
100
#BFF7EF
oklch(93.6% 0.058 185.5)
-
Step 200
200 (this color)
#1DFEEB
oklch(89.8% 0.155 185.1)
-
Step 300
300
#00DECD
oklch(81% 0.143 185.1)
-
Step 400
400
#00B9AB
oklch(70.7% 0.124 185.3)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#1DFEEB 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) | #F0EFEA | 0.164 |
| Deuteranopia (no green cones) | #D5DBED | 0.156 |
| Tritanopia (no blue cones) | #00FFF8 | 0.017 |
| Achromatopsia (no color) | #E3E3E3 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1DFEEB
#1DFEEB
oklch(89.8% 0.155 185.1)
- #FFCFD8
#FFCFD8
oklch(89.8% 0.055 5.6)
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 #1DFEEB, closest first.
No curated palette has a color within ΔE 0.04 of #1DFEEB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Aqua #0BF9EA ΔE 0.014
- Bright Turquoise #0FFEF9 ΔE 0.019
- Cyan #00FFFF ΔE 0.027
- Bright Cyan #41FDFE ΔE 0.031
- Bright Light Blue #26F7FD ΔE 0.036
- Bright Teal #01F9C6 ΔE 0.050
- Aquamarine #7FFFD4 ΔE 0.050
- Light Turquoise #7EF4CC ΔE 0.052
Use #1DFEEB 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.