#4FD78F
Closest named color: Emerald (#06D6A0). oklch(78.7% 0.157 156.5), rgb(79, 215, 143).
Aa
Black text reads best on this color (11.44:1).
About this color
#4FD78F is a light, vivid green. In OKLCH its lightness is 79%, its chroma 0.157 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.030 away. Black text reads best on it, at 11.44:1.
| Hue family | Greens |
| Lightness | light (79%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.44:1 |
| White text | 1.83:1 |
Values
| HEX | #4FD78F |
| RGB | rgb(79, 215, 143) |
| HSL | hsl(148, 63%, 58%) |
| OKLCH | oklch(78.7% 0.157 156.5) |
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 #4FD78F | 1.83:1 | Fails | Lc -38.1 | Non-text elements, placeholder text |
| Black text on #4FD78F | 11.44:1 | AAA | Lc 69.9 | Content text, not long reading |
| #4FD78F text on white | 1.83:1 | Fails | Lc 34.0 | Non-text elements, placeholder text |
| #4FD78F text on black | 11.44:1 | AAA | Lc -68.6 | Content text, not long reading |
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 300.
-
Step 50
50
#EBFAF0
oklch(97.1% 0.021 156.8)
-
Step 100
100
#D2F4DE
oklch(93.7% 0.046 157)
-
Step 200
200
#A9EBC2
oklch(88.5% 0.087 156.8)
-
Step 300
300 (this color)
#4FD78F
oklch(78.7% 0.157 156.5)
-
Step 400
400
#00BF73
oklch(70.8% 0.17 156.5)
-
Step 500
500
#00A462
oklch(63.2% 0.152 156.5)
-
Step 600
600
#008A51
oklch(55.7% 0.135 156.2)
-
Step 700
700
#007444
oklch(49.2% 0.118 156.6)
-
Step 800
800
#005F37
oklch(42.7% 0.102 156.7)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#002F19
oklch(26.9% 0.064 157.1)
#4FD78F 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) | #D6C78A | 0.143 |
| Deuteranopia (no green cones) | #C4BA94 | 0.140 |
| Tritanopia (no blue cones) | #00D5C4 | 0.075 |
| Achromatopsia (no color) | #BFBFBF | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FD78F
#4FD78F
oklch(78.7% 0.157 156.5)
- #F890DF
#F890DF
oklch(78.8% 0.157 336.5)
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 #4FD78F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.030
- Aqua Green #12E193 ΔE 0.030
- Seaweed #18D17B ΔE 0.039
- Weird Green #3AE57F ΔE 0.050
- Medium Aquamarine #66CDAA ΔE 0.056
- Soft Green #6FC276 ΔE 0.057
- Aqua Marine #2EE8BB ΔE 0.061
- Greenblue #23C48B ΔE 0.061
Use #4FD78F 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.