#4FA666
Closest named color: Algae (#54AC68). oklch(65.5% 0.127 150.2), rgb(79, 166, 102).
Aa
Black text reads best on this color (6.97:1).
About this color
#4FA666 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.127 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae (#54AC68), ΔE 0.018 away. Black text reads best on it, at 6.97:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Algae (#54AC68) |
| Black text | 6.97:1 |
| White text | 3.00:1 |
Values
| HEX | #4FA666 |
| RGB | rgb(79, 166, 102) |
| HSL | hsl(136, 36%, 48%) |
| OKLCH | oklch(65.5% 0.127 150.2) |
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 #4FA666 | 3.00:1 | AA large text | Lc -61.9 | Content text, not long reading |
| Black text on #4FA666 | 6.97:1 | AA | Lc 47.5 | Large or bold text, headings |
| #4FA666 text on white | 3.00:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #4FA666 text on black | 6.97:1 | AA | Lc -45.2 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CD
oklch(88.5% 0.035 149.3)
-
Step 300
300
#A5CCAC
oklch(80.8% 0.061 150.1)
-
Step 400
400
#71B280
oklch(70.6% 0.099 150.6)
-
Step 500
500 (this color)
#4FA666
oklch(65.5% 0.127 150.2)
-
Step 600
600
#218945
oklch(55.6% 0.138 150.2)
-
Step 700
700
#107436
oklch(49.1% 0.129 150)
-
Step 800
800
#135F2E
oklch(42.8% 0.107 150.3)
-
Step 900
900
#1A4E29
oklch(37.9% 0.083 150)
-
Step 950
950
#112D18
oklch(26.9% 0.052 149.8)
#4FA666 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) | #A79A62 | 0.106 |
| Deuteranopia (no green cones) | #9B916A | 0.105 |
| Tritanopia (no blue cones) | #3CA396 | 0.071 |
| Achromatopsia (no color) | #959595 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA666
#4FA666
oklch(65.5% 0.127 150.2)
- #BC72B5
#BC72B5
oklch(65.5% 0.128 330.4)
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 #4FA666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae #54AC68 ΔE 0.018
- Seaweed Green #35AD6B ΔE 0.023
- Muted Green #5FA052 ΔE 0.025
- Dark Seafoam Green #3EAF76 ΔE 0.027
- Jade #1FA774 ΔE 0.028
- Off Green #6BA353 ΔE 0.029
- Jade Green #2BAF6A ΔE 0.030
- Fern #63A950 ΔE 0.032
Use #4FA666 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.