#3DB281
Closest named color: Dark Seafoam Green (#3EAF76). oklch(68.5% 0.128 161.8), rgb(61, 178, 129).
Aa
Black text reads best on this color (7.88:1).
About this color
#3DB281 is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.128 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.015 away. Black text reads best on it, at 7.88:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #3DB281 |
| RGB | rgb(61, 178, 129) |
| HSL | hsl(155, 49%, 47%) |
| OKLCH | oklch(68.5% 0.128 161.8) |
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 #3DB281 | 2.66:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #3DB281 | 7.88:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #3DB281 text on white | 2.66:1 | Fails | Lc 51.5 | Large or bold text, headings |
| #3DB281 text on black | 7.88:1 | AAA | Lc -50.4 | 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
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DDEFE5
oklch(93.6% 0.023 161.7)
-
Step 200
200
#C0E3D0
oklch(88.5% 0.045 161.6)
-
Step 300
300
#91D1B1
oklch(80.8% 0.08 162.2)
-
Step 400
400 (this color)
#3DB281
oklch(68.5% 0.128 161.8)
-
Step 500
500
#00A36F
oklch(63.2% 0.139 161.8)
-
Step 600
600
#00895C
oklch(55.7% 0.123 161.5)
-
Step 700
700
#00734D
oklch(49.1% 0.108 161.8)
-
Step 800
800
#005E3F
oklch(42.6% 0.093 162.3)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#002F1D
oklch(27% 0.059 161.7)
#3DB281 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) | #AFA57E | 0.122 |
| Deuteranopia (no green cones) | #A09A84 | 0.119 |
| Tritanopia (no blue cones) | #00B2A5 | 0.052 |
| Achromatopsia (no color) | #9E9E9E | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3DB281
#3DB281
oklch(68.5% 0.128 161.8)
- #CF78B0
#CF78B0
oklch(68.5% 0.128 341.9)
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 #3DB281, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.015
- Bluey Green #2BB179 ΔE 0.016
- Dark Seafoam #1FB57A ΔE 0.020
- Medium Sea Green #3CB371 ΔE 0.023
- Green Teal #0CB577 ΔE 0.026
- Greeny Blue #42B395 ΔE 0.029
- Seaweed Green #35AD6B ΔE 0.031
- Algae #54AC68 ΔE 0.031
Use #3DB281 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.