#01EEF1
Closest named color: Bright Light Blue (#26F7FD). oklch(86% 0.146 196.4), rgb(1, 238, 241).
Aa
Black text reads best on this color (14.50:1).
About this color
#01EEF1 is a light, vivid teal or cyan. In OKLCH its lightness is 86%, its chroma 0.146 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Light Blue (#26F7FD), ΔE 0.028 away. Black text reads best on it, at 14.50:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Bright Light Blue (#26F7FD) |
| Black text | 14.50:1 |
| White text | 1.44:1 |
Values
| HEX | #01EEF1 |
| RGB | rgb(1, 238, 241) |
| HSL | hsl(181, 99%, 47%) |
| OKLCH | oklch(86% 0.146 196.4) |
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 #01EEF1 | 1.44:1 | Fails | Lc -23.5 | Dividers and decoration only |
| Black text on #01EEF1 | 14.50:1 | AAA | Lc 83.1 | Fine for body text |
| #01EEF1 text on white | 1.44:1 | Fails | Lc 20.6 | Dividers and decoration only |
| #01EEF1 text on black | 14.50:1 | AAA | Lc -82.7 | 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 200.
-
Step 50
50
#E3FBFB
oklch(97.1% 0.025 196.7)
-
Step 100
100
#C0F6F6
oklch(93.6% 0.055 196.3)
-
Step 200
200 (this color)
#01EEF1
oklch(86% 0.146 196.4)
-
Step 300
300
#00DBDE
oklch(80.8% 0.138 196.5)
-
Step 400
400
#00B7BA
oklch(70.7% 0.12 196.9)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#01EEF1 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) | #DDE2F2 | 0.152 |
| Deuteranopia (no green cones) | #C1CEF2 | 0.141 |
| Tritanopia (no blue cones) | #00F6EE | 0.024 |
| Achromatopsia (no color) | #D6D6D6 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01EEF1
#01EEF1
oklch(86% 0.146 196.4)
- #FFBEC0
#FFBEC0
oklch(86.1% 0.075 16.7)
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 #01EEF1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Light Blue #26F7FD ΔE 0.028
- Bright Aqua #0BF9EA ΔE 0.035
- Bright Turquoise #0FFEF9 ΔE 0.043
- Robin's Egg #6DEDFD ΔE 0.043
- Bright Cyan #41FDFE ΔE 0.046
- Cyan #00FFFF ΔE 0.046
- Turquoise #40E0D0 ΔE 0.049
- Aqua Blue #02D8E9 ΔE 0.060
Use #01EEF1 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.