#4FA978
Closest named color: Dark Seafoam Green (#3EAF76). oklch(66.6% 0.114 157.4), rgb(79, 169, 120).
Aa
Black text reads best on this color (7.27:1).
About this color
#4FA978 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.114 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.021 away. Black text reads best on it, at 7.27:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #4FA978 |
| RGB | rgb(79, 169, 120) |
| HSL | hsl(147, 36%, 49%) |
| OKLCH | oklch(66.6% 0.114 157.4) |
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 #4FA978 | 2.88:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #4FA978 | 7.27:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #4FA978 text on white | 2.88:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #4FA978 text on black | 7.27:1 | AAA | Lc -46.9 | 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 500.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#C9E0D1
oklch(88.5% 0.032 157.1)
-
Step 300
300
#A4CCB3
oklch(80.9% 0.055 157.5)
-
Step 400
400
#6FB28B
oklch(70.8% 0.09 157.6)
-
Step 500
500 (this color)
#4FA978
oklch(66.6% 0.114 157.4)
-
Step 600
600
#188855
oklch(55.5% 0.124 157.3)
-
Step 700
700
#027446
oklch(49.2% 0.116 157.4)
-
Step 800
800
#0D5E39
oklch(42.7% 0.096 157.1)
-
Step 900
900
#174D31
oklch(37.6% 0.075 157)
-
Step 950
950
#0F2D1D
oklch(26.9% 0.047 157.6)
#4FA978 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) | #A89E75 | 0.105 |
| Deuteranopia (no green cones) | #9B947B | 0.103 |
| Tritanopia (no blue cones) | #34A89C | 0.053 |
| Achromatopsia (no color) | #989898 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FA978
#4FA978
oklch(66.6% 0.114 157.4)
- #C178AD
#C178AD
oklch(66.7% 0.114 337.6)
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 #4FA978, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.021
- Tea #65AB7C ΔE 0.022
- Algae #54AC68 ΔE 0.025
- Bluey Green #2BB179 ΔE 0.029
- Jade #1FA774 ΔE 0.030
- Seaweed Green #35AD6B ΔE 0.031
- Medium Sea Green #3CB371 ΔE 0.035
- Dusty Green #76A973 ΔE 0.037
Use #4FA978 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.