#78B540
Closest named color: Turtle Green (#75B84F). oklch(70.7% 0.162 132.7), rgb(120, 181, 64).
Aa
Black text reads best on this color (8.48:1).
About this color
#78B540 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.162 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.013 away. Black text reads best on it, at 8.48:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.48:1 |
| White text | 2.47:1 |
Values
| HEX | #78B540 |
| RGB | rgb(120, 181, 64) |
| HSL | hsl(91, 48%, 48%) |
| OKLCH | oklch(70.7% 0.162 132.7) |
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 #78B540 | 2.47:1 | Fails | Lc -53.5 | Large or bold text, headings |
| Black text on #78B540 | 8.48:1 | AAA | Lc 55.5 | Large or bold text, headings |
| #78B540 text on white | 2.47:1 | Fails | Lc 48.5 | Large or bold text, headings |
| #78B540 text on black | 8.48:1 | AAA | Lc -53.5 | 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
#F2F8EE
oklch(97.2% 0.015 132.5)
-
Step 100
100
#E2EEDB
oklch(93.5% 0.028 133.7)
-
Step 200
200
#CBE2BC
oklch(88.6% 0.057 133)
-
Step 300
300
#A8CF8B
oklch(81% 0.101 132.5)
-
Step 400
400 (this color)
#78B540
oklch(70.7% 0.162 132.7)
-
Step 500
500
#5D9E00
oklch(63.1% 0.177 132.5)
-
Step 600
600
#4D8500
oklch(55.6% 0.156 132.7)
-
Step 700
700
#407000
oklch(49.1% 0.138 132.7)
-
Step 800
800
#335C00
oklch(42.8% 0.12 132.9)
-
Step 900
900
#2A4C00
oklch(37.6% 0.105 132.5)
-
Step 950
950
#172E00
oklch(27.1% 0.076 132.8)
#78B540 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) | #BCA831 | 0.091 |
| Deuteranopia (no green cones) | #B4A349 | 0.093 |
| Tritanopia (no blue cones) | #79AE9D | 0.121 |
| Achromatopsia (no color) | #A5A5A5 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78B540
#78B540
oklch(70.7% 0.162 132.7)
- #C380E8
#C380E8
oklch(70.8% 0.161 312.6)
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 #78B540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.013
- Avocado #90B134 ΔE 0.028
- Icky Green #8FAE22 ΔE 0.030
- Dark Lime #84B701 ΔE 0.030
- Leaf #71AA34 ΔE 0.033
- Avocado Green #87A922 ΔE 0.034
- Pea Green #8EAB12 ΔE 0.035
- Leafy Green #51B73B ΔE 0.037
Use #78B540 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.