#78C255
Closest named color: Turtle Green (#75B84F). oklch(74.2% 0.162 136.7), rgb(120, 194, 85).
Aa
Black text reads best on this color (9.64:1).
About this color
#78C255 is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.162 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.028 away. Black text reads best on it, at 9.64:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 9.64:1 |
| White text | 2.17:1 |
Values
| HEX | #78C255 |
| RGB | rgb(120, 194, 85) |
| HSL | hsl(101, 47%, 55%) |
| OKLCH | oklch(74.2% 0.162 136.7) |
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 #78C255 | 2.17:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #78C255 | 9.64:1 | AAA | Lc 61.3 | Content text, not long reading |
| #78C255 text on white | 2.17:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #78C255 text on black | 9.64:1 | AAA | Lc -59.6 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E1EFDC
oklch(93.6% 0.029 137.4)
-
Step 200
200
#C8E2BE
oklch(88.4% 0.056 137)
-
Step 300
300
#A2D08F
oklch(80.9% 0.101 136.8)
-
Step 400
400 (this color)
#78C255
oklch(74.2% 0.162 136.7)
-
Step 500
500
#4AA200
oklch(63.2% 0.191 136.7)
-
Step 600
600
#3D8800
oklch(55.6% 0.168 136.7)
-
Step 700
700
#327200
oklch(49% 0.148 136.7)
-
Step 800
800
#285E00
oklch(42.8% 0.129 136.7)
-
Step 900
900
#204E00
oklch(37.6% 0.113 136.7)
-
Step 950
950
#102F00
oklch(27.1% 0.082 137)
#78C255 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) | #C8B44A | 0.103 |
| Deuteranopia (no green cones) | #BEAD5D | 0.105 |
| Tritanopia (no blue cones) | #75BCAA | 0.114 |
| Achromatopsia (no color) | #B0B0B0 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78C255
#78C255
oklch(74.2% 0.162 136.7)
- #D488EE
#D488EE
oklch(74.2% 0.162 317.1)
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 #78C255, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.028
- Soft Green #6FC276 ΔE 0.036
- Apple #6ECB3C ΔE 0.039
- Dark Lime Green #7EBD01 ΔE 0.042
- Dark Lime #84B701 ΔE 0.045
- Dark Mint #48C072 ΔE 0.047
- Avocado #90B134 ΔE 0.048
- Bright Olive #9CBB04 ΔE 0.049
Use #78C255 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.