#3FA579
Closest named color: Jade (#1FA774). oklch(65% 0.116 161.8), rgb(63, 165, 121).
Aa
Black text reads best on this color (6.86:1).
About this color
#3FA579 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.116 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.019 away. Black text reads best on it, at 6.86:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.86:1 |
| White text | 3.05:1 |
Values
| HEX | #3FA579 |
| RGB | rgb(63, 165, 121) |
| HSL | hsl(154, 45%, 45%) |
| OKLCH | oklch(65% 0.116 161.8) |
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 #3FA579 | 3.05:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #3FA579 | 6.86:1 | AA | Lc 46.9 | Large or bold text, headings |
| #3FA579 text on white | 3.05:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #3FA579 text on black | 6.86:1 | AA | Lc -44.6 | Non-text elements, placeholder text |
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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE6
oklch(93.5% 0.016 160.6)
-
Step 200
200
#C8E0D3
oklch(88.5% 0.031 162.1)
-
Step 300
300
#A1CDB5
oklch(81% 0.057 160.9)
-
Step 400
400
#69B28F
oklch(70.6% 0.09 162.1)
-
Step 500
500 (this color)
#3FA579
oklch(65% 0.116 161.8)
-
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
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#0E4E35
oklch(37.8% 0.076 161.9)
-
Step 950
950
#0C2E1F
oklch(27.1% 0.049 161.3)
#3FA579 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) | #A39977 | 0.113 |
| Deuteranopia (no green cones) | #958F7C | 0.109 |
| Tritanopia (no blue cones) | #00A599 | 0.048 |
| Achromatopsia (no color) | #939393 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FA579
#3FA579
oklch(65% 0.116 161.8)
- #BF72A3
#BF72A3
oklch(65.1% 0.115 342.1)
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 #3FA579, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.019
- Dark Seafoam Green #3EAF76 ΔE 0.031
- Ocean Green #3D9973 ΔE 0.035
- Seaweed Green #35AD6B ΔE 0.036
- Bluey Green #2BB179 ΔE 0.036
- Algae #54AC68 ΔE 0.038
- Tea #65AB7C ΔE 0.039
- Jade Green #2BAF6A ΔE 0.042
Use #3FA579 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.