#78E199
Closest named color: Hospital Green (#9BE5AA). oklch(82.8% 0.142 152.4), rgb(120, 225, 153).
Aa
Black text reads best on this color (13.02:1).
About this color
#78E199 is a light, vivid green. In OKLCH its lightness is 83%, its chroma 0.142 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hospital Green (#9BE5AA), ΔE 0.044 away. Black text reads best on it, at 13.02:1.
| Hue family | Greens |
| Lightness | light (83%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Hospital Green (#9BE5AA) |
| Black text | 13.02:1 |
| White text | 1.61:1 |
Values
| HEX | #78E199 |
| RGB | rgb(120, 225, 153) |
| HSL | hsl(139, 64%, 68%) |
| OKLCH | oklch(82.8% 0.142 152.4) |
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 #78E199 | 1.61:1 | Fails | Lc -30.8 | Non-text elements, placeholder text |
| Black text on #78E199 | 13.02:1 | AAA | Lc 76.5 | Fine for body text |
| #78E199 text on white | 1.61:1 | Fails | Lc 27.3 | Dividers and decoration only |
| #78E199 text on black | 13.02:1 | AAA | Lc -75.7 | Fine for body 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 300.
-
Step 50
50
#EDF9EF
oklch(97% 0.018 150.6)
-
Step 100
100
#D6F2DD
oklch(93.5% 0.041 153.1)
-
Step 200
200
#B2E9C0
oklch(88.5% 0.08 152.4)
-
Step 300
300 (this color)
#78E199
oklch(82.8% 0.142 152.4)
-
Step 400
400
#00C064
oklch(70.8% 0.185 152.3)
-
Step 500
500
#00A455
oklch(63% 0.164 152.5)
-
Step 600
600
#008A46
oklch(55.5% 0.145 152.3)
-
Step 700
700
#00743A
oklch(49% 0.128 152.4)
-
Step 800
800
#00602F
oklch(42.8% 0.112 152.4)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#78E199 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) | #E1D294 | 0.122 |
| Deuteranopia (no green cones) | #D2C79D | 0.121 |
| Tritanopia (no blue cones) | #62DECE | 0.074 |
| Achromatopsia (no color) | #CCCCCC | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78E199
#78E199
oklch(82.8% 0.142 152.4)
- #FDA3EF
#FDA3EF
oklch(82.9% 0.142 332.5)
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 #78E199, closest first.
No curated palette has a color within ΔE 0.04 of #78E199.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hospital Green #9BE5AA ΔE 0.044
- Light Green #90EE90 ΔE 0.048
- Aqua Marine #2EE8BB ΔE 0.050
- Aqua Green #12E193 ΔE 0.051
- Weird Green #3AE57F ΔE 0.057
- Light Teal #90E4C1 ΔE 0.060
- Seafoam Green #7AF9AB ΔE 0.064
- Pale Olive Green #B1D27B ΔE 0.064
Use #78E199 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.