#3DD18F
Closest named color: Emerald (#06D6A0). oklch(76.7% 0.156 159.3), rgb(61, 209, 143).
Aa
Black text reads best on this color (10.71:1).
About this color
#3DD18F is a medium-light, vivid green. In OKLCH its lightness is 77%, its chroma 0.156 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.023 away. Black text reads best on it, at 10.71:1.
| Hue family | Greens |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 10.71:1 |
| White text | 1.95:1 |
Values
| HEX | #3DD18F |
| RGB | rgb(61, 209, 143) |
| HSL | hsl(153, 62%, 53%) |
| OKLCH | oklch(76.7% 0.156 159.3) |
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 #3DD18F | 1.95:1 | Fails | Lc -41.7 | Non-text elements, placeholder text |
| Black text on #3DD18F | 10.71:1 | AAA | Lc 66.6 | Content text, not long reading |
| #3DD18F text on white | 1.95:1 | Fails | Lc 37.3 | Non-text elements, placeholder text |
| #3DD18F text on black | 10.71:1 | AAA | Lc -65.1 | 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
#EAFAF0
oklch(97.1% 0.021 158.6)
-
Step 100
100
#D1F4DF
oklch(93.6% 0.046 159.1)
-
Step 200
200
#A7EBC5
oklch(88.4% 0.086 159.5)
-
Step 300
300 (this color)
#3DD18F
oklch(76.7% 0.156 159.3)
-
Step 400
400
#00BE7B
oklch(70.7% 0.162 159.2)
-
Step 500
500
#00A369
oklch(63.1% 0.144 159.3)
-
Step 600
600
#008958
oklch(55.6% 0.127 159.5)
-
Step 700
700
#007349
oklch(49% 0.112 159.4)
-
Step 800
800
#005F3B
oklch(42.8% 0.098 159.1)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1B
oklch(26.9% 0.062 159.3)
#3DD18F 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) | #CFC18B | 0.147 |
| Deuteranopia (no green cones) | #BCB493 | 0.142 |
| Tritanopia (no blue cones) | #00D0C0 | 0.068 |
| Achromatopsia (no color) | #B9B9B9 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DD18F
#3DD18F
oklch(76.7% 0.156 159.3)
- #F389D4
#F389D4
oklch(76.7% 0.157 339.1)
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 #3DD18F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.023
- Seaweed #18D17B ΔE 0.031
- Greenblue #23C48B ΔE 0.040
- Aqua Green #12E193 ΔE 0.044
- Soft Green #6FC276 ΔE 0.047
- Dark Mint #48C072 ΔE 0.051
- Medium Aquamarine #66CDAA ΔE 0.052
- Algae Green #21C36F ΔE 0.053
Use #3DD18F 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.