#4EB978
Closest named color: Medium Sea Green (#3CB371). oklch(70.6% 0.138 154), rgb(78, 185, 120).
Aa
Black text reads best on this color (8.53:1).
About this color
#4EB978 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.138 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.023 away. Black text reads best on it, at 8.53:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 8.53:1 |
| White text | 2.46:1 |
Values
| HEX | #4EB978 |
| RGB | rgb(78, 185, 120) |
| HSL | hsl(144, 43%, 52%) |
| OKLCH | oklch(70.6% 0.138 154) |
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 #4EB978 | 2.46:1 | Fails | Lc -53.1 | Large or bold text, headings |
| Black text on #4EB978 | 8.53:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #4EB978 text on white | 2.46:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #4EB978 text on black | 8.53:1 | AAA | Lc -53.9 | 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 400.
-
Step 50
50
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DEEFE2
oklch(93.6% 0.025 152.9)
-
Step 200
200
#C2E3CB
oklch(88.5% 0.048 153.8)
-
Step 300
300
#94D1A7
oklch(80.8% 0.086 154)
-
Step 400
400 (this color)
#4EB978
oklch(70.6% 0.138 154)
-
Step 500
500
#00A45B
oklch(63.1% 0.158 154.2)
-
Step 600
600
#008A4B
oklch(55.6% 0.14 154)
-
Step 700
700
#00743E
oklch(49% 0.124 153.9)
-
Step 800
800
#005F32
oklch(42.6% 0.107 154.1)
-
Step 900
900
#005029
oklch(37.8% 0.096 153.9)
-
Step 950
950
#003016
oklch(27.1% 0.069 153.7)
#4EB978 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) | #B9AB74 | 0.122 |
| Deuteranopia (no green cones) | #AAA17C | 0.119 |
| Tritanopia (no blue cones) | #2CB7A8 | 0.069 |
| Achromatopsia (no color) | #A5A5A5 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EB978
#4EB978
oklch(70.6% 0.138 154)
- #D37EC4
#D37EC4
oklch(70.7% 0.137 333.7)
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 #4EB978, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.023
- Dark Mint #48C072 ΔE 0.024
- Boring Green #63B365 ΔE 0.025
- Dark Seafoam #1FB57A ΔE 0.028
- Dark Mint Green #20C073 ΔE 0.031
- Green Teal #0CB577 ΔE 0.032
- Cool Green #33B864 ΔE 0.032
- Dark Seafoam Green #3EAF76 ΔE 0.033
Use #4EB978 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.