#4FB780
Closest named color: Medium Sea Green (#3CB371). oklch(70.3% 0.127 157.5), rgb(79, 183, 128).
Aa
Black text reads best on this color (8.41:1).
About this color
#4FB780 is a medium-light, moderately saturated green. In OKLCH its lightness is 70%, its chroma 0.127 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.027 away. Black text reads best on it, at 8.41:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 8.41:1 |
| White text | 2.49:1 |
Values
| HEX | #4FB780 |
| RGB | rgb(79, 183, 128) |
| HSL | hsl(148, 42%, 51%) |
| OKLCH | oklch(70.3% 0.127 157.5) |
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 #4FB780 | 2.49:1 | Fails | Lc -53.8 | Large or bold text, headings |
| Black text on #4FB780 | 8.41:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #4FB780 text on white | 2.49:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #4FB780 text on black | 8.41:1 | AAA | Lc -53.3 | 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 400.
-
Step 50
50
#F0F8F3
oklch(97.2% 0.011 158.8)
-
Step 100
100
#DEEFE4
oklch(93.6% 0.023 157.6)
-
Step 200
200
#C2E2CE
oklch(88.4% 0.043 158)
-
Step 300
300
#95D1AD
oklch(81% 0.08 157.7)
-
Step 400
400 (this color)
#4FB780
oklch(70.3% 0.127 157.5)
-
Step 500
500
#00A365
oklch(63% 0.148 157.8)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#4FB780 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) | #B6AA7D | 0.118 |
| Deuteranopia (no green cones) | #A7A083 | 0.113 |
| Tritanopia (no blue cones) | #2AB6A8 | 0.058 |
| Achromatopsia (no color) | #A4A4A4 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FB780
#4FB780
oklch(70.3% 0.127 157.5)
- #D27FBB
#D27FBB
oklch(70.3% 0.127 337.9)
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 #4FB780, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.027
- Dark Seafoam #1FB57A ΔE 0.028
- Dark Seafoam Green #3EAF76 ΔE 0.029
- Bluey Green #2BB179 ΔE 0.031
- Green Blue #01C08D ΔE 0.032
- Boring Green #63B365 ΔE 0.032
- Green Teal #0CB577 ΔE 0.034
- Greeny Blue #42B395 ΔE 0.035
Use #4FB780 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.