#478A52
Closest named color: Sea Green (#2E8B57). oklch(57.4% 0.109 147.7), rgb(71, 138, 82).
Aa
Black text reads best on this color (5.02:1).
About this color
#478A52 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.109 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.018 away. Black text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #478A52 |
| RGB | rgb(71, 138, 82) |
| HSL | hsl(130, 32%, 41%) |
| OKLCH | oklch(57.4% 0.109 147.7) |
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 #478A52 | 4.17:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #478A52 | 5.02:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #478A52 text on white | 4.17:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #478A52 text on black | 5.02:1 | AA | Lc -33.0 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE5
oklch(93.7% 0.014 148.8)
-
Step 200
200
#CEDECF
oklch(88.4% 0.027 147.1)
-
Step 300
300
#ACCAAF
oklch(80.9% 0.049 147.9)
-
Step 400
400
#7FAE85
oklch(70.6% 0.078 148)
-
Step 500
500
#5D9A66
oklch(63.1% 0.1 147.8)
-
Step 600
600 (this color)
#478A52
oklch(57.4% 0.109 147.7)
-
Step 700
700
#33703E
oklch(49.1% 0.101 147.7)
-
Step 800
800
#2B5B33
oklch(42.6% 0.084 147.6)
-
Step 900
900
#284B2D
oklch(37.7% 0.065 147.5)
-
Step 950
950
#182C1B
oklch(27% 0.041 148)
#478A52 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) | #8B804E | 0.087 |
| Deuteranopia (no green cones) | #827955 | 0.087 |
| Tritanopia (no blue cones) | #3C877C | 0.064 |
| Achromatopsia (no color) | #7C7C7C | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478A52
#478A52
oklch(57.4% 0.109 147.7)
- #9B609A
#9B609A
oklch(57.5% 0.11 327.5)
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 #478A52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.018
- Light Forest Green #4F9153 ΔE 0.023
- Fern Green #548D44 ΔE 0.024
- Dark Sage #598556 ΔE 0.025
- Viridian #1E9167 ΔE 0.033
- Moss Green #658B38 ΔE 0.040
- Swamp #698339 ΔE 0.041
- Military Green #667C3E ΔE 0.047
Use #478A52 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.