#1EFFE3
Closest named color: Bright Aqua (#0BF9EA). oklch(89.8% 0.159 180.8), rgb(30, 255, 227).
Aa
Black text reads best on this color (16.46:1).
About this color
#1EFFE3 is a light, vivid teal or cyan. In OKLCH its lightness is 90%, its chroma 0.159 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Aqua (#0BF9EA), ΔE 0.022 away. Black text reads best on it, at 16.46:1.
| Hue family | Teals and cyans |
| Lightness | light (90%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Bright Aqua (#0BF9EA) |
| Black text | 16.46:1 |
| White text | 1.27:1 |
Values
| HEX | #1EFFE3 |
| RGB | rgb(30, 255, 227) |
| HSL | hsl(173, 100%, 56%) |
| OKLCH | oklch(89.8% 0.159 180.8) |
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 #1EFFE3 | 1.27:1 | Fails | Lc -15.0 | Dividers and decoration only |
| Black text on #1EFFE3 | 16.46:1 | AAA | Lc 90.6 | Preferred for body text |
| #1EFFE3 text on white | 1.27:1 | Fails | Lc 13.0 | Not readable |
| #1EFFE3 text on black | 16.46:1 | AAA | Lc -90.9 | 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
#E3FCF6
oklch(97.1% 0.027 179.7)
-
Step 100
100
#BFF7EC
oklch(93.5% 0.059 181.6)
-
Step 200
200 (this color)
#1EFFE3
oklch(89.8% 0.159 180.8)
-
Step 300
300
#00DFC6
oklch(81% 0.146 180.9)
-
Step 400
400
#00BAA5
oklch(70.7% 0.128 180.9)
-
Step 500
500
#009F8D
oklch(63% 0.114 181)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#1EFFE3 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) | #F3EFE2 | 0.168 |
| Deuteranopia (no green cones) | #D9DCE5 | 0.160 |
| Tritanopia (no blue cones) | #00FFF6 | 0.026 |
| Achromatopsia (no color) | #E4E4E4 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1EFFE3
#1EFFE3
oklch(89.8% 0.159 180.8)
- #FFCEDB
#FFCEDB
oklch(89.7% 0.058 0.6)
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 #1EFFE3, closest first.
No curated palette has a color within ΔE 0.04 of #1EFFE3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Aqua #0BF9EA ΔE 0.022
- Bright Turquoise #0FFEF9 ΔE 0.032
- Cyan #00FFFF ΔE 0.039
- Bright Teal #01F9C6 ΔE 0.040
- Bright Cyan #41FDFE ΔE 0.042
- Aquamarine #7FFFD4 ΔE 0.045
- Light Turquoise #7EF4CC ΔE 0.048
- Light Aquamarine #7BFDC7 ΔE 0.048
Use #1EFFE3 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.