#39B270
Closest named color: Medium Sea Green (#3CB371). oklch(68% 0.145 155.2), rgb(57, 178, 112).
Aa
Black text reads best on this color (7.77:1).
About this color
#39B270 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.145 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.004 away. Black text reads best on it, at 7.77:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 7.77:1 |
| White text | 2.70:1 |
Values
| HEX | #39B270 |
| RGB | rgb(57, 178, 112) |
| HSL | hsl(147, 51%, 46%) |
| OKLCH | oklch(68% 0.145 155.2) |
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 #39B270 | 2.70:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #39B270 | 7.77:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #39B270 text on white | 2.70:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #39B270 text on black | 7.77:1 | AAA | Lc -49.9 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DDEFE2
oklch(93.5% 0.026 154.5)
-
Step 200
200
#C0E4CB
oklch(88.6% 0.051 154.9)
-
Step 300
300
#91D2A7
oklch(80.8% 0.09 154.9)
-
Step 400
400 (this color)
#39B270
oklch(68% 0.145 155.2)
-
Step 500
500
#00A45E
oklch(63.1% 0.156 155.1)
-
Step 600
600
#008A4E
oklch(55.6% 0.137 155)
-
Step 700
700
#007441
oklch(49.1% 0.121 155.2)
-
Step 800
800
#005F34
oklch(42.6% 0.105 155.1)
-
Step 900
900
#004F2B
oklch(37.6% 0.092 155.5)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#39B270 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) | #B1A46C | 0.129 |
| Deuteranopia (no green cones) | #A29974 | 0.126 |
| Tritanopia (no blue cones) | #00B0A1 | 0.071 |
| Achromatopsia (no color) | #9D9D9D | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39B270
#39B270
oklch(68% 0.145 155.2)
- #CE73BB
#CE73BB
oklch(68% 0.145 335.3)
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 #39B270, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.004
- Bluey Green #2BB179 ΔE 0.014
- Jade Green #2BAF6A ΔE 0.014
- Dark Seafoam Green #3EAF76 ΔE 0.014
- Dark Seafoam #1FB57A ΔE 0.014
- Green Teal #0CB577 ΔE 0.015
- Seaweed Green #35AD6B ΔE 0.015
- Algae #54AC68 ΔE 0.021
Use #39B270 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.