#4DA978
Closest named color: Dark Seafoam Green (#3EAF76). oklch(66.5% 0.115 157.7), rgb(77, 169, 120).
Aa
Black text reads best on this color (7.26:1).
About this color
#4DA978 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.115 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.020 away. Black text reads best on it, at 7.26:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.26:1 |
| White text | 2.89:1 |
Values
| HEX | #4DA978 |
| RGB | rgb(77, 169, 120) |
| HSL | hsl(148, 37%, 48%) |
| OKLCH | oklch(66.5% 0.115 157.7) |
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 #4DA978 | 2.89:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #4DA978 | 7.26:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #4DA978 text on white | 2.89:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #4DA978 text on black | 7.26:1 | AAA | Lc -46.8 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EDE6
oklch(93.5% 0.016 160.6)
-
Step 200
200
#C9E0D1
oklch(88.5% 0.032 157.1)
-
Step 300
300
#A3CCB3
oklch(80.9% 0.056 158.1)
-
Step 400
400
#6EB28B
oklch(70.7% 0.09 157.9)
-
Step 500
500 (this color)
#4DA978
oklch(66.5% 0.115 157.7)
-
Step 600
600
#138956
oklch(55.7% 0.126 157.8)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#095E3A
oklch(42.6% 0.096 158.1)
-
Step 900
900
#154D32
oklch(37.6% 0.074 158.3)
-
Step 950
950
#0F2D1D
oklch(26.9% 0.047 157.6)
#4DA978 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) | #A89D75 | 0.107 |
| Deuteranopia (no green cones) | #9B947B | 0.104 |
| Tritanopia (no blue cones) | #30A89C | 0.053 |
| Achromatopsia (no color) | #989898 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4DA978
#4DA978
oklch(66.5% 0.115 157.7)
- #C177AD
#C177AD
oklch(66.5% 0.116 337.5)
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 #4DA978, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.020
- Tea #65AB7C ΔE 0.024
- Algae #54AC68 ΔE 0.025
- Bluey Green #2BB179 ΔE 0.028
- Jade #1FA774 ΔE 0.028
- Seaweed Green #35AD6B ΔE 0.030
- Medium Sea Green #3CB371 ΔE 0.035
- Jade Green #2BAF6A ΔE 0.037
Use #4DA978 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.