#00EFD5
Closest named color: Aqua Marine (#2EE8BB). oklch(85.4% 0.154 181.2), rgb(0, 239, 213).
Aa
Black text reads best on this color (14.30:1).
About this color
#00EFD5 is a light, vivid teal or cyan. In OKLCH its lightness is 85%, its chroma 0.154 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Marine (#2EE8BB), ΔE 0.034 away. Black text reads best on it, at 14.30:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Aqua Marine (#2EE8BB) |
| Black text | 14.30:1 |
| White text | 1.46:1 |
Values
| HEX | #00EFD5 |
| RGB | rgb(0, 239, 213) |
| HSL | hsl(173, 100%, 47%) |
| OKLCH | oklch(85.4% 0.154 181.2) |
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 #00EFD5 | 1.46:1 | Fails | Lc -24.4 | Dividers and decoration only |
| Black text on #00EFD5 | 14.30:1 | AAA | Lc 82.3 | Fine for body text |
| #00EFD5 text on white | 1.46:1 | Fails | Lc 21.4 | Dividers and decoration only |
| #00EFD5 text on black | 14.30:1 | AAA | Lc -81.9 | 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
#E3FCF6
oklch(97.1% 0.027 179.7)
-
Step 100
100
#C1F7EC
oklch(93.6% 0.057 181.2)
-
Step 200
200 (this color)
#00EFD5
oklch(85.4% 0.154 181.2)
-
Step 300
300
#00DFC6
oklch(81% 0.146 180.9)
-
Step 400
400
#00BAA5
oklch(70.7% 0.128 180.9)
-
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
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#00EFD5 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) | #E4E0D4 | 0.163 |
| Deuteranopia (no green cones) | #CACDD7 | 0.155 |
| Tritanopia (no blue cones) | #00F4E7 | 0.025 |
| Achromatopsia (no color) | #D5D5D5 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00EFD5
#00EFD5
oklch(85.4% 0.154 181.2)
- #FFB8CB
#FFB8CB
oklch(85.4% 0.085 1.5)
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 #00EFD5, closest first.
No curated palette has a color within ΔE 0.04 of #00EFD5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Marine #2EE8BB ΔE 0.034
- Bright Aqua #0BF9EA ΔE 0.035
- Bright Teal #01F9C6 ΔE 0.040
- Turquoise #40E0D0 ΔE 0.040
- Light Turquoise #7EF4CC ΔE 0.054
- Bright Turquoise #0FFEF9 ΔE 0.056
- Bright Light Blue #26F7FD ΔE 0.056
- Cyan #00FFFF ΔE 0.063
Use #00EFD5 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.