#3DB781
Closest named color: Dark Seafoam (#1FB57A). oklch(69.8% 0.135 160.3), rgb(61, 183, 129).
Aa
Black text reads best on this color (8.28:1).
About this color
#3DB781 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.135 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam (#1FB57A), ΔE 0.018 away. Black text reads best on it, at 8.28:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Dark Seafoam (#1FB57A) |
| Black text | 8.28:1 |
| White text | 2.53:1 |
Values
| HEX | #3DB781 |
| RGB | rgb(61, 183, 129) |
| HSL | hsl(153, 50%, 48%) |
| OKLCH | oklch(69.8% 0.135 160.3) |
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 #3DB781 | 2.53:1 | Fails | Lc -54.4 | Large or bold text, headings |
| Black text on #3DB781 | 8.28:1 | AAA | Lc 54.7 | Large or bold text, headings |
| #3DB781 text on white | 2.53:1 | Fails | Lc 49.3 | Large or bold text, headings |
| #3DB781 text on black | 8.28:1 | AAA | Lc -52.7 | Large or bold text, headings |
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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DDEFE4
oklch(93.6% 0.024 159.1)
-
Step 200
200
#BFE3CF
oklch(88.4% 0.047 161)
-
Step 300
300
#90D2AE
oklch(80.9% 0.084 159.9)
-
Step 400
400 (this color)
#3DB781
oklch(69.8% 0.135 160.3)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#3DB781 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) | #B5AA7E | 0.127 |
| Deuteranopia (no green cones) | #A59E84 | 0.124 |
| Tritanopia (no blue cones) | #00B6A9 | 0.058 |
| Achromatopsia (no color) | #A3A3A3 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DB781
#3DB781
oklch(69.8% 0.135 160.3)
- #D57AB8
#D57AB8
oklch(69.8% 0.136 340.2)
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 #3DB781, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam #1FB57A ΔE 0.018
- Medium Sea Green #3CB371 ΔE 0.021
- Bluey Green #2BB179 ΔE 0.022
- Dark Seafoam Green #3EAF76 ΔE 0.024
- Green Teal #0CB577 ΔE 0.024
- Green Blue #01C08D ΔE 0.027
- Greeny Blue #42B395 ΔE 0.034
- Greenblue #23C48B ΔE 0.035
Use #3DB781 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.