#3DC972
Closest named color: Seaweed (#18D17B). oklch(74.1% 0.172 151.8), rgb(61, 201, 114).
Aa
Black text reads best on this color (9.79:1).
About this color
#3DC972 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.172 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.022 away. Black text reads best on it, at 9.79:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 9.79:1 |
| White text | 2.14:1 |
Values
| HEX | #3DC972 |
| RGB | rgb(61, 201, 114) |
| HSL | hsl(143, 56%, 51%) |
| OKLCH | oklch(74.1% 0.172 151.8) |
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 #3DC972 | 2.14:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #3DC972 | 9.79:1 | AAA | Lc 62.3 | Content text, not long reading |
| #3DC972 text on white | 2.14:1 | Fails | Lc 41.6 | Non-text elements, placeholder text |
| #3DC972 text on black | 9.79:1 | AAA | Lc -60.6 | 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 400.
-
Step 50
50
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DBF0E0
oklch(93.5% 0.031 152.9)
-
Step 200
200
#BDE5C6
oklch(88.5% 0.059 151.8)
-
Step 300
300
#8AD59E
oklch(80.9% 0.108 151.8)
-
Step 400
400 (this color)
#3DC972
oklch(74.1% 0.172 151.8)
-
Step 500
500
#00A553
oklch(63.2% 0.167 151.8)
-
Step 600
600
#008A45
oklch(55.5% 0.146 152)
-
Step 700
700
#007539
oklch(49.2% 0.13 151.8)
-
Step 800
800
#00602D
oklch(42.8% 0.114 151.6)
-
Step 900
900
#005025
oklch(37.8% 0.1 151.8)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#3DC972 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) | #CAB86C | 0.147 |
| Deuteranopia (no green cones) | #B8AC78 | 0.144 |
| Tritanopia (no blue cones) | #00C6B4 | 0.091 |
| Achromatopsia (no color) | #B1B1B1 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DC972
#3DC972
oklch(74.1% 0.172 151.8)
- #E87EDB
#E87EDB
oklch(74.1% 0.172 331.9)
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 #3DC972, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.022
- Algae Green #21C36F ΔE 0.022
- Dark Mint #48C072 ΔE 0.026
- Dark Mint Green #20C073 ΔE 0.031
- Greenblue #23C48B ΔE 0.039
- Soft Green #6FC276 ΔE 0.040
- Shamrock Green #02C14D ΔE 0.049
- Cool Green #33B864 ΔE 0.049
Use #3DC972 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.