#3FA873
Closest named color: Jade (#1FA774). oklch(65.7% 0.126 157.9), rgb(63, 168, 115).
Aa
Black text reads best on this color (7.05:1).
About this color
#3FA873 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.126 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.016 away. Black text reads best on it, at 7.05:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #3FA873 |
| RGB | rgb(63, 168, 115) |
| HSL | hsl(150, 45%, 45%) |
| OKLCH | oklch(65.7% 0.126 157.9) |
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 #3FA873 | 2.97:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #3FA873 | 7.05:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #3FA873 text on white | 2.97:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #3FA873 text on black | 7.05:1 | AAA | Lc -45.8 | 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 500.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE5
oklch(93.7% 0.018 155.8)
-
Step 200
200
#C7E0D1
oklch(88.4% 0.033 159.3)
-
Step 300
300
#A0CDB2
oklch(80.9% 0.061 158.4)
-
Step 400
400
#68B389
oklch(70.6% 0.098 158.1)
-
Step 500
500 (this color)
#3FA873
oklch(65.7% 0.126 157.9)
-
Step 600
600
#008955
oklch(55.5% 0.129 158.2)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F39
oklch(42.8% 0.1 157.9)
-
Step 900
900
#0C4E30
oklch(37.6% 0.082 157.9)
-
Step 950
950
#0B2E1C
oklch(27% 0.053 157.3)
#3FA873 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) | #A79C70 | 0.116 |
| Deuteranopia (no green cones) | #989276 | 0.112 |
| Tritanopia (no blue cones) | #06A79A | 0.057 |
| Achromatopsia (no color) | #969696 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA873
#3FA873
oklch(65.7% 0.126 157.9)
- #C271AC
#C271AC
oklch(65.6% 0.126 337.9)
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 #3FA873, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.016
- Dark Seafoam Green #3EAF76 ΔE 0.020
- Seaweed Green #35AD6B ΔE 0.022
- Bluey Green #2BB179 ΔE 0.025
- Algae #54AC68 ΔE 0.026
- Jade Green #2BAF6A ΔE 0.029
- Medium Sea Green #3CB371 ΔE 0.034
- Dark Seafoam #1FB57A ΔE 0.036
Use #3FA873 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.