#03DEAB
Closest named color: Emerald (#06D6A0). oklch(80% 0.161 168.6), rgb(3, 222, 171).
Aa
Black text reads best on this color (12.04:1).
About this color
#03DEAB is a light, vivid green. In OKLCH its lightness is 80%, its chroma 0.161 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.024 away. Black text reads best on it, at 12.04:1.
| Hue family | Greens |
| Lightness | light (80%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 12.04:1 |
| White text | 1.74:1 |
Values
| HEX | #03DEAB |
| RGB | rgb(3, 222, 171) |
| HSL | hsl(166, 97%, 44%) |
| OKLCH | oklch(80% 0.161 168.6) |
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 #03DEAB | 1.74:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #03DEAB | 12.04:1 | AAA | Lc 72.8 | Content text, not long reading |
| #03DEAB text on white | 1.74:1 | Fails | Lc 31.0 | Non-text elements, placeholder text |
| #03DEAB text on black | 12.04:1 | AAA | Lc -71.7 | Content text, not long reading |
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
#E8FAF3
oklch(97% 0.021 170.6)
-
Step 100
100
#CDF4E4
oklch(93.5% 0.046 168.6)
-
Step 200
200
#9DEDCF
oklch(88.6% 0.089 168.7)
-
Step 300
300 (this color)
#03DEAB
oklch(80% 0.161 168.6)
-
Step 400
400
#00BC90
oklch(70.6% 0.142 168.4)
-
Step 500
500
#00A17B
oklch(63% 0.127 168.5)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007256
oklch(49% 0.099 168.4)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#03DEAB 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) | #D8CEA8 | 0.162 |
| Deuteranopia (no green cones) | #C1BDAE | 0.156 |
| Tritanopia (no blue cones) | #00DFD0 | 0.052 |
| Achromatopsia (no color) | #C4C4C4 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03DEAB
#03DEAB
oklch(80% 0.161 168.6)
- #FF97CD
#FF97CD
oklch(80% 0.139 348.3)
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 #03DEAB, closest first.
No curated palette has a color within ΔE 0.04 of #03DEAB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.024
- Aqua Marine #2EE8BB ΔE 0.034
- Aqua Green #12E193 ΔE 0.035
- Turquoise #40E0D0 ΔE 0.056
- Medium Aquamarine #66CDAA ΔE 0.056
- Seaweed #18D17B ΔE 0.063
- Weird Green #3AE57F ΔE 0.065
- Seafoam Blue #78D1B6 ΔE 0.066
Use #03DEAB 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.