#78BB51
Closest named color: Turtle Green (#75B84F). oklch(72.4% 0.156 135.5), rgb(120, 187, 81).
Aa
Black text reads best on this color (9.02:1).
About this color
#78BB51 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.156 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.009 away. Black text reads best on it, at 9.02:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 9.02:1 |
| White text | 2.32:1 |
Values
| HEX | #78BB51 |
| RGB | rgb(120, 187, 81) |
| HSL | hsl(98, 44%, 53%) |
| OKLCH | oklch(72.4% 0.156 135.5) |
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 #78BB51 | 2.32:1 | Fails | Lc -50.6 | Large or bold text, headings |
| Black text on #78BB51 | 9.02:1 | AAA | Lc 58.3 | Large or bold text, headings |
| #78BB51 text on white | 2.32:1 | Fails | Lc 45.7 | Large or bold text, headings |
| #78BB51 text on black | 9.02:1 | AAA | Lc -56.4 | 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
#F2F8EF
oklch(97.2% 0.013 134.9)
-
Step 100
100
#E2EEDC
oklch(93.5% 0.027 135)
-
Step 200
200
#CAE2BE
oklch(88.5% 0.055 135.1)
-
Step 300
300
#A5CF90
oklch(80.9% 0.097 135.5)
-
Step 400
400 (this color)
#78BB51
oklch(72.4% 0.156 135.5)
-
Step 500
500
#50A000
oklch(63% 0.186 135.5)
-
Step 600
600
#438700
oklch(55.6% 0.164 135.4)
-
Step 700
700
#377200
oklch(49.2% 0.145 135.5)
-
Step 800
800
#2C5D00
oklch(42.7% 0.126 135.4)
-
Step 900
900
#244E00
oklch(37.8% 0.111 135.4)
-
Step 950
950
#132E00
oklch(26.9% 0.079 135.2)
#78BB51 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) | #C1AD46 | 0.096 |
| Deuteranopia (no green cones) | #B8A859 | 0.097 |
| Tritanopia (no blue cones) | #77B5A4 | 0.112 |
| Achromatopsia (no color) | #AAAAAA | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78BB51
#78BB51
oklch(72.4% 0.156 135.5)
- #CB85E8
#CB85E8
oklch(72.5% 0.156 315.5)
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 #78BB51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.009
- Avocado #90B134 ΔE 0.035
- Soft Green #6FC276 ΔE 0.038
- Dark Lime #84B701 ΔE 0.039
- Boring Green #63B365 ΔE 0.041
- Icky Green #8FAE22 ΔE 0.043
- Dark Lime Green #7EBD01 ΔE 0.043
- Dark Mint #48C072 ΔE 0.044
Use #78BB51 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.